Network+ Quiz C

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  • 1/50 Questions

    QUESTION NO: 143 Which of the following utilities will produce the results printed below? Tracing route to 172.30.0.78 over a maximum of 30 hops 1 <1 ms <1 ms l72.30.0.78

    • Arp
    • Tracert
    • Ping
    • Netstat
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Network Plus Quizzes & Trivia
About This Quiz

Network+ quiz C assesses knowledge on network troubleshooting, firewall configurations, and DNS issues. It is designed for those preparing for professional certification in network administration, focusing on practical skills like tracing routes, configuring host-based firewalls, and understanding network cabling issues.

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  • 2. 

    QUESTION NO: 144* Which of the following would a network administrator MOST likely configure on a workstation to block certain websites and ports?

    • Network-based firewall

    • Antivirus service

    • Host-based firewall

    • Port scanner

    Correct Answer
    A. Host-based firewall
    Explanation
    A network administrator would most likely configure a host-based firewall on a workstation to block certain websites and ports. A host-based firewall is a software-based firewall that is installed directly on the workstation and can control incoming and outgoing network traffic. It allows the administrator to set specific rules and filters to block access to certain websites and ports, providing an additional layer of security for the workstation.

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  • 3. 

    QUESTION NO: 145 A user is having intermittent problems connecting to their network shares. A network technician is able to determine that there is a problem within the network cabling in between the workstation and the switch. All other users are able to connect successfully to the network. Which of the following is the MOST likely cause?

    • Patch cable is a crossover cable instead of straight-through.

    • Cable is not punched down at the punch panel.

    • Cable has been cut somewhere within the wall.

    • Crosstalk and interference are occurring.

    Correct Answer
    A. Crosstalk and interference are occurring.
    Explanation
    The most likely cause for the intermittent problems connecting to the network shares is crosstalk and interference. Crosstalk occurs when signals from one cable interfere with signals on another cable, leading to data corruption or loss. Interference can be caused by electromagnetic interference (EMI) from nearby electrical devices or radio frequency interference (RFI) from sources like cell phones or wireless devices. In this case, since all other users are able to connect successfully, it suggests that the issue is specific to the user's network cabling rather than a larger network problem like a crossover cable or a cut cable.

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  • 4. 

    QUESTION NO: 149* A network technician is assigned the task of  connecting two switches in two different wiring closets. Which of the following cable types is the appropriate choice?

    • Crossover

    • Loopback

    • 568A

    • Rollover

    Correct Answer
    A. Crossover
    Explanation
    A crossover cable is the appropriate choice for connecting two switches in different wiring closets. Unlike straight-through cables, which are used to connect devices of different types (e.g. switch to router), crossover cables are specifically designed to connect devices of the same type (e.g. switch to switch). Crossover cables have the transmit and receive wires crossed over, allowing the switches to communicate directly with each other. This enables them to exchange information and establish a network connection.

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  • 5. 

    QUESTION NO: 148* On a Windows network, users are reporting that they cannot access any network resources. The users can ping the IP address and connect to the network resource using the IP address. Which off the following is the cause of the problem?

    • The domain controller is not responding

    • The DNS server is not resolving correctly

    • The DHCP server is not assigning correct IP addresses.

    • The file server is offline

    Correct Answer
    A. The DNS server is not resolving correctly
    Explanation
    The cause of the problem is that the DNS server is not resolving correctly. This means that the DNS server is not able to translate domain names into IP addresses, which is necessary for users to access network resources. As a result, users are only able to connect to network resources using the IP address. This indicates that there is an issue with the DNS server's functionality or configuration.

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  • 6. 

    QUESTION NO: 147 Which of the following is the maximum distance a 10GBase-EW connection can transmit with one repeater?

    • 10,000 meters (32,808 feet)

    • 80,000 meters (262,467 feet)

    • 20,000 meters (65,616 feet)

    • 40,000 meters (131 ,233 feet)

    Correct Answer
    A. 80,000 meters (262,467 feet)
    Explanation
    The correct answer is 80,000 meters (262,467 feet). This is the maximum distance that a 10GBase-EW connection can transmit with one repeater.

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  • 7. 

    QUESTION NO: 139 Which of the following is the FIRST criterion used to select a nexthop from the routing table?

    • Lowest administrative distance

    • Greatest number of hops

    • Most precise matching prefix

    • The BGP route

    Correct Answer
    A. Most precise matching prefix
    Explanation
    The first criterion used to select a nexthop from the routing table is the most precise matching prefix. This means that the router will look for the route with the longest prefix match for the destination IP address. The more specific the prefix match, the more accurate the route is for reaching the destination. This allows for efficient routing and ensures that the router chooses the best path based on the destination address.

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  • 8. 

    QUESTION NO: 150* Which of the following access methods is used for wireless medium access?

    • CSMA / CD

    • PPPoE

    • CSMA / CA

    • PPTP

    Correct Answer
    A. CSMA / CA
    Explanation
    CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) is the correct answer. It is an access method used for wireless medium access. In CSMA/CA, devices listen to the wireless medium and check if it is busy before transmitting data. If the medium is busy, they wait for a random amount of time before attempting to transmit again. This method helps to avoid collisions and ensures efficient use of the wireless medium.

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  • 9. 

    QUESTION NO: 138* Which of the following is correct when converting 192 to binary?

    • 00110000

    • 00001100

    • 11000000

    • 00000011 b printers?

    Correct Answer
    A. 11000000
    Explanation
    When converting 192 to binary, the correct answer is 11000000. This is because in binary, each digit can have a value of either 0 or 1. Starting from the right, the first digit represents 2^0, the second digit represents 2^1, the third digit represents 2^2, and so on. By adding the corresponding values for each digit, we get the decimal value of 192. In this case, the binary representation of 192 is 11000000.

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  • 10. 

    QUESTION NO: 141 A remote user cannot connect to the office via VPN. The user has established Internet connectivity. Which of the following is the MOST likely next step in troubleshooting?

    • Reinstall the VPN client at the remote computer.

    • Detennine if the VPN service is running at the office.

    • Power cycle the VPN concentrator at the office.

    • Determine if the user has the correct VPN address and password.

    Correct Answer
    A. Determine if the user has the correct VPN address and password.
    Explanation
    The most likely next step in troubleshooting is to determine if the user has the correct VPN address and password. This is because if the user does not have the correct VPN address or password, they will not be able to establish a connection to the office via VPN. Reinstalling the VPN client, determining if the VPN service is running, or power cycling the VPN concentrator may be potential troubleshooting steps, but they would not be the most likely next step in this scenario.

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  • 11. 

    nedQUESTION NO: 101 A network administrator is summarizing the following IP address ranges into a single route for redistribution into the network core: 192.168.0.0 /24 192.168.1.0 /24 192.168.2 .0 /24 192.168.3.0 /24 Which of the following IP summary addresses will represent the listed network ranges without including any ranges not listed?

    • 192.168.0.0 /21

    • 192. 168.0.0 /23

    • 192.168.0.0 /16

    • 192. 168.0.0/22

    Correct Answer
    A. 192. 168.0.0/22
    Explanation
    The correct answer is 192.168.0.0/22 because it includes all the given IP address ranges (192.168.0.0/24, 192.168.1.0/24, 192.168.2.0/24, 192.168.3.0/24) without including any additional ranges. The /22 subnet mask allows for a range of IP addresses from 192.168.0.0 to 192.168.3.255, which covers all the given ranges.

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  • 12. 

    QUESTION NO: 146 Which of the following protocols provides a secure method to remotely administer a server?

    • HTTP

    • SFTP

    • SSH

    • Telnet

    Correct Answer
    A. SSH
    Explanation
    SSH (Secure Shell) is a protocol that provides a secure method to remotely administer a server. It encrypts the communication between the client and the server, ensuring that sensitive information such as passwords and data are protected from unauthorized access. Unlike Telnet, which sends data in plain text, SSH encrypts the data, making it much more secure. Similarly, HTTP is not designed for remote administration and does not provide encryption. SFTP (Secure File Transfer Protocol) is a secure version of FTP, which is used for transferring files, but it does not provide remote administration capabilities like SSH.

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  • 13. 

    QUESTION NO: 132 A company requires a hub and spoke WAN solution. Which of the following are BEST suited to meet this need? (Select THREE).

    • ISDN

    • MPLS

    • ADSL

    • SONET

    • Frame-relay

    • ATM

    • DOCSIS

    Correct Answer(s)
    A. MPLS
    A. Frame-relay
    A. ATM
    Explanation
    MPLS, Frame-relay, and ATM are the best options for a hub and spoke WAN solution. MPLS (Multiprotocol Label Switching) is a flexible and scalable solution that allows for efficient routing of data between multiple locations. Frame-relay is a cost-effective solution that provides reliable and high-speed connections between a central hub and remote locations. ATM (Asynchronous Transfer Mode) is a high-speed networking technology that offers low latency and high bandwidth, making it suitable for a hub and spoke architecture. ISDN, ADSL, SONET, and DOCSIS are not typically used in hub and spoke WAN solutions.

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  • 14. 

    QUESTION NO: 133* Which of the following tools enables the technician to trace cables in multiple pair wiring?

    • Cable tester

    • Multimeter

    • Butt set

    • Toner probe

    Correct Answer
    A. Toner probe
    Explanation
    A toner probe is a tool that enables a technician to trace cables in multiple pair wiring. It is used to locate and identify specific cables by sending a tone through one end of the cable and then using the probe to detect the tone at the other end. This allows the technician to easily identify and trace the path of the cables, making it a valuable tool for troubleshooting and cable management.

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  • 15. 

    QUESTION NO: 134* Which of the following is a routable public class A address?

    • 10.0.0.255

    • 19.16.18.255

    • 10.0.0.10

    • 19.16.18.1

    Correct Answer
    A. 19.16.18.1
    Explanation
    A routable public Class A address is an IP address that can be used to route traffic on the internet. In the given options, the only address that falls within the range of Class A addresses (0.0.0.0 to 127.255.255.255) is 19.16.18.1. Therefore, 19.16.18.1 is the correct answer as it is a routable public Class A address.

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  • 16. 

    QUESTION NO: 142* Which of the following would limit the availability of the types of sites that users on a LAN have access to?

    • A DNS server

    • A proxy server

    • A DC server

    • A DHCP server

    Correct Answer
    A. A proxy server
    Explanation
    A proxy server would limit the availability of the types of sites that users on a LAN have access to. A proxy server acts as an intermediary between the LAN users and the internet. It can be configured to block certain websites or types of content, thereby restricting the access of LAN users. By controlling and filtering the incoming and outgoing traffic, a proxy server can limit the availability of certain sites for the LAN users.

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  • 17. 

    QUESTION NO: 128 Which of the following WAN technologies uses thirty 64Kbps channels?

    • ATM

    • T-1

    • E-1

    • MPLS

    Correct Answer
    A. E-1
    Explanation
    E-1 is the correct answer because it is a WAN technology that uses thirty 64Kbps channels. E-1 is a digital transmission format that is commonly used in Europe and other parts of the world. It provides a total bandwidth of 2.048 Mbps, which is divided into thirty 64Kbps channels. These channels can be used for voice, data, or video transmission, making E-1 an efficient and versatile WAN technology.

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  • 18. 

    QUESTION NO: 137 Which of the following is the maximum number of wire pairs that can be used in an RJ-11 connector?

    • 8

    • 2

    • 6

    • 4

    Correct Answer
    A. 2
    Explanation
    An RJ-11 connector is commonly used for telephone connections and supports up to 6 positions, but typically only 4 positions are used. Each position can accommodate one wire pair, so the maximum number of wire pairs that can be used in an RJ-11 connector is 2.

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  • 19. 

    QUESTION NO: 136* A technician is creating a patch cable to connect two PC's for file sharing. Which of the following cables should the teclmician use?

    • Straight

    • Straight

    • Crossover

    • Rollover

    Correct Answer
    A. Crossover
    Explanation
    A crossover cable should be used to connect two PCs for file sharing. A crossover cable is designed to allow direct communication between two devices without the need for a hub or switch. It has a specific wiring configuration that allows the transmit and receive lines to be crossed over, enabling the PCs to send and receive data directly to each other. This is different from a straight cable, which is used to connect a PC to a hub or switch. A rollover cable is used to connect a PC to a networking device, such as a router or switch, for configuration purposes.

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  • 20. 

    QUESTION NO: 115 A company is getting a new sales system that must remain secure and isolated. The network administrator needs to segregate network traffic for security reasons. Currently there is one addressing scheme 10.2.1 O.x, with a subnet mask of 255.255.255.0. Which of the following methods would BEST help in segregating the traffic?

    • Implementing a dedicated broadcast network

    • Implementing a dedicated multicast network

    • Changing the IP scheme to class C addresses

    • Creating a new subnet for this system

    Correct Answer
    A. Creating a new subnet for this system
    Explanation
    Creating a new subnet for this system would be the best method to segregate the traffic. By creating a new subnet, the network administrator can assign a different range of IP addresses to the new sales system, effectively separating it from the rest of the network. This ensures that the traffic for the new sales system remains isolated and secure. Implementing a dedicated broadcast or multicast network, or changing the IP scheme to class C addresses, would not provide the same level of segregation and security as creating a new subnet.

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  • 21. 

    QUESTION NO: 130 A technician wants to remotely log into an office computer using remote desktop. The technicain needs to do this in a secure manner. Which of the following would accomplish this?

    • VPN

    • Telnet

    • VLAN

    • Tagged packets

    Correct Answer
    A. VPN
    Explanation
    A VPN (Virtual Private Network) would accomplish remote logging into an office computer in a secure manner. VPNs create a secure and encrypted connection between the remote device and the office computer, ensuring that data transmitted between them is protected from unauthorized access. This allows the technician to securely access and control the office computer from a remote location, without the risk of data interception or compromise. Telnet, VLAN, and tagged packets do not provide the same level of security as a VPN.

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  • 22. 

    QUESTION NO: 131* A user is trying to establish an FTP connection to a computer at home. The home computer is turned on and has Intemet connectivity? However, they are unable to connect from the PC at work. The IP address that the user is trying to connect to is 192.168.1.125.Which of the following is the MOST likely problem?

    • The firewall at the office is blocking the outgoing connection.

    • FTP client is not installed in the work computer.

    • FTP server is not installed on the home computer.

    • The IP address off the home computer is not routable across the Intemet.

    Correct Answer
    A. The IP address off the home computer is not routable across the Intemet.
    Explanation
    The most likely problem is that the IP address of the home computer (192.168.1.125) is not routable across the Internet. This is because the IP address falls within the range of private IP addresses, which are not directly accessible from the Internet. In order for the user to establish an FTP connection from the PC at work, they would need to use a public IP address that is routable across the Internet.

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  • 23. 

    QUESTION NO: 124 A network engineer for a company has issued the 10.44.210.0/24 network for a branch office. The network administrator for the branch has three separate VLANs for voice, workstations, and servers. There are approximately 50 end user workstations, 50 IP phones that require addressing, and a dozen servers. How should the network administrator use the block allocated to the branch?

    • Subnet the block into /26s and assign one to each VLAN.b

    • Do not subnet the block? use the /24 for all VLANs.

    • The administrator must request more networks and use the networks given so far for the servers and workstation VLANs.

    • Subnet the block into /25s and assign one to each voice and workstation VLANs.

    Correct Answer
    A. Subnet the block into /26s and assign one to each VLAN.b
    Explanation
    The network administrator should subnet the block into /26s and assign one to each VLAN. By subnetting the block into /26s, the administrator can create separate subnets for each VLAN, ensuring that each VLAN has its own unique network range. This allows for better network management and security, as well as efficient allocation of IP addresses.

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  • 24. 

    QUESTION NO: 126* A router receives a packet with a destination address 72.44.69.254?however, no entry in the routing table exists for the network. Which of the following actions will the router take?  

    • The packet will be queued while the router queries for an acceptable path to the destination.

    • The packet will be dropped as non-mutable.

    • The packet will be fowarded out until another router forwards the packet.

    • The packet will be forwarded to the next hop address of the default route.

    Correct Answer
    A. The packet will be forwarded to the next hop address of the default route.
    Explanation
    When a router receives a packet with a destination address for which there is no entry in the routing table, it will follow the default route. The default route is a pre-configured route that is used when there is no specific route available for the destination network. In this case, the router will forward the packet to the next hop address specified in the default route, allowing it to reach its destination.

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  • 25. 

    QUESTION NO: 127 A technician is sent to troubleshoot a connectivity issue on A company's web server. Which of the following is the NEXT step after verifying that one of the NICs has no LEDs flashing?

    • Re-install application.

    • Check for hardware conflicts or disabled devices.

    • Re-install drivers.

    • Check system properties for correct caching settings.

    Correct Answer
    A. Check for hardware conflicts or disabled devices.
    Explanation
    After verifying that one of the NICs has no LEDs flashing, the next step would be to check for hardware conflicts or disabled devices. This is because a lack of LED activity on a NIC could indicate a hardware issue or a disabled device, which could be causing the connectivity problem on the web server. By checking for hardware conflicts or disabled devices, the technician can identify and resolve any issues that may be affecting the NIC's functionality and restore connectivity to the web server.

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  • 26. 

    QUESTION NO: 119 A user has a small network of four computers that they want to connect to a single cable modem. Which of the following devices would allow the user to do this?

    • Four port wireless router

    • Four port switch

    • Four port hub

    • Four port WAP

    Correct Answer
    A. Four port wireless router
    Explanation
    A four port wireless router would allow the user to connect their small network of four computers to a single cable modem. A wireless router combines the functions of a router, switch, and access point, allowing multiple devices to connect to the internet through a single modem. The four ports on the router provide wired connections for the computers, while the wireless capabilities allow for additional wireless devices to connect as well.

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  • 27. 

    QUESTION NO: 120 Which of the following devices allows segregation of collision domains but not broadcasting domains?

    • NIC

    • Switch

    • Hub

    • Router

    Correct Answer
    A. Switch
    Explanation
    A switch allows segregation of collision domains but not broadcasting domains. A collision domain is a network segment where collisions can occur if multiple devices try to transmit data at the same time. A switch separates these collision domains by creating individual connections between devices, allowing for simultaneous data transmission without collisions. However, a switch does not separate broadcasting domains, meaning that broadcast messages are still transmitted to all devices connected to the switch.

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  • 28. 

    QUESTION NO: 121* A user reports that when the phone rings in their house the wireless on their laptops becomes disconnected. Which of the following BEST describes the issue?

    • The cordless phones are 2.4Ghz which interferes with wireless

    • The cordless phones are plugged into the RJ-ll jack

    • The cordless phones are 5.8Ghz which interferes with wireless

    • The cordless phones are plugged into same outlet as the router

    Correct Answer
    A. The cordless phones are 2.4Ghz which interferes with wireless
    Explanation
    The issue is that the cordless phones in the user's house operate on the same frequency as the wireless network (2.4Ghz), causing interference and disconnecting the wireless connection on their laptops.

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  • 29. 

    QUESTION NO: 122* Which of the following documentation would a network administrator need to update if they have just finished upgrading the firmware on all the switches within the LAN?

    • Wiring schematics

    • Logical network diagram

    • Physical network diagram

    • Baseline and configuration documentation

    Correct Answer
    A. Baseline and configuration documentation
    Explanation
    After upgrading the firmware on all the switches within the LAN, the network administrator would need to update the baseline and configuration documentation. This documentation contains information about the initial settings and configurations of the switches. By updating this documentation, the network administrator ensures that it accurately reflects the current state of the switches after the firmware upgrade. This is important for future reference and troubleshooting purposes.

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  • 30. 

    QUESTION NO: 140* Which of the following is port 123 commonly used for?

    • IMAP4

    • HTTPS

    • NTP

    • DNS

    Correct Answer
    A. NTP
    Explanation
    Port 123 is commonly used for NTP (Network Time Protocol). NTP is a networking protocol used to synchronize the time on computer systems and networks. It allows devices to maintain accurate time by syncing with a reference time source. By using port 123, NTP can communicate and exchange time information between devices, ensuring accurate timekeeping across the network.

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  • 31. 

    QUESTION NO: 129* Which of the following is considered a connection-oriented protocol?

    • UDP

    • SPX

    • TCP

    • IP

    Correct Answer
    A. TCP
    Explanation
    TCP (Transmission Control Protocol) is considered a connection-oriented protocol because it establishes a reliable and dedicated connection between the sender and receiver before transmitting data. This connection ensures that data packets are delivered in the correct order and without errors. TCP also provides features like flow control and congestion control to manage network traffic effectively. Unlike UDP (User Datagram Protocol), which is a connectionless protocol, TCP guarantees the delivery of data packets and ensures the integrity of the transmitted data. SPX (Sequenced Packet Exchange) and IP (Internet Protocol) are also connectionless protocols, making TCP the correct answer.

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  • 32. 

    QUESTION NO: 125* Which of the following is the standard data transmission rate for an OC-31ine?

    • 51.84Mbps

    • 44. 74Mbps

    • 622.08Mbps

    • 155.52Mbps

    Correct Answer
    A. 155.52Mbps
    Explanation
    The standard data transmission rate for an OC-31 line is 155.52Mbps. This is the correct answer because OC-31 is a specific type of optical carrier that has a transmission rate of 155.52Mbps. The other options listed are not the standard transmission rates for an OC-31 line.

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  • 33. 

    QUESTION NO: 135* A technician wants to see how many server connections are open on a client machine. Which of the following is the command to see these connections?

    • Dig

    • Netstat

    • Nslookup

    • Arp

    Correct Answer
    A. Netstat
    Explanation
    The correct answer is "netstat". The netstat command is used to display active network connections on a client machine. By running this command, the technician can see how many server connections are currently open. This information can be useful for troubleshooting network issues or monitoring network activity.

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  • 34. 

    QUESTION NO: 116* A network administrator has been receiving work orders about poor voice quality crossing a branch T1 . The cause is determined to be users running high bandwidth file sharing applications across the T1 sending large packets delaying the smaller voice streams. Which of the following would improve voice quality?

    • Install a content caching proxy at the branch to reduce inbound WAN traffic.

    • Configure traffic shaping to reduce the bandwidth available to the file sharing application.

    • Configure a separate VLAN for the IP phones.

    • Upgrade switches to provide higher bandwidth ports for workstations and IP phones.

    Correct Answer
    A. Configure traffic shaping to reduce the bandwidth available to the file sharing application.
    Explanation
    Configuring traffic shaping to reduce the bandwidth available to the file sharing application would improve voice quality. By limiting the bandwidth allocated to the file sharing application, it would prevent it from consuming excessive resources and causing delays for the smaller voice streams. This would ensure that the voice traffic is prioritized and given sufficient bandwidth for better quality.

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  • 35. 

    QUESTION NO: 123 After deploying three large additional servers in a rack there are reports of network instability and other issues across all servers in the rack. It has been verified that there is sufficient power resources and network bandwidth. Which of the following should the technician check NEXT?

    • Cable tester

    • Celiifier

    • Temperature monitor

    • Multimeter

    Correct Answer
    A. Temperature monitor
    Explanation
    The technician should check the temperature monitor next because the deployment of three large additional servers may have caused an increase in heat within the rack. Excessive heat can lead to network instability and other issues with the servers. By monitoring the temperature, the technician can identify if the servers are overheating and take appropriate measures to cool them down, such as adjusting airflow or installing additional cooling systems.

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  • 36. 

    QUESTION NO: 118* DNS services are in a failed state on a network. Some users require FQDN to access specific services. A temporary solution would be to:

    • Create a local host file on the PC

    • Release and renew DHCP.

    • Change the IP address of the specific services needed.

    • Change all domain relationships to WINS.

    Correct Answer
    A. Create a local host file on the PC
    Explanation
    A temporary solution to the failed DNS services on the network would be to create a local host file on the PC. By creating a local host file, the PC will have a record of the specific FQDNs and their corresponding IP addresses, allowing the users to access the required services. This bypasses the need for DNS resolution and ensures that the users can still access the services they need.

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  • 37. 

    QUESTION NO: 117 Which of the following uses pointer records and A records?

    • NAT server

    • IPS

    • DNS server

    • IDS

    Correct Answer
    A. DNS server
    Explanation
    A DNS server uses pointer records and A records. Pointer records, also known as PTR records, are used to map IP addresses to domain names. A records, on the other hand, are used to map domain names to IP addresses. The DNS server uses these records to translate domain names into their corresponding IP addresses and vice versa, allowing computers to communicate with each other over the internet.

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  • 38. 

    QUESTION NO: 108* Which of the following is the default port for POP3?

    • 21

    • 80

    • 110

    • 25

    Correct Answer
    A. 110
    Explanation
    The default port for POP3 is 110.

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  • 39. 

    QUESTION NO: 109 A user contacts a technician and states that they are unable to access the network. The technician discovers that the IP address of the workstation is 169.123.142.34. Which of the following has occurred?

    • The workstation has obtained a public address.

    • The workstation has obtained a multicast address.

    • The workstation has obtained a private address.

    • The workstation has obtained an APIPA address.

    Correct Answer
    A. The workstation has obtained an APIPA address.
    Explanation
    The IP address 169.123.142.34 is within the range of APIPA (Automatic Private IP Addressing) addresses, which are used when a device is unable to obtain an IP address from a DHCP server. APIPA addresses are self-assigned and are not routable on the internet. This indicates that the workstation is unable to connect to the network and has automatically assigned itself an APIPA address.

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  • 40. 

    QUESTION NO: 110* A technician needs to trace a wire that is in the wall. Which of the following is the BEST way for the technician to identify the wires location?

    • Media Tester

    • Continuity Tester

    • Tone Generator

    • Multimeter

    Correct Answer
    A. Tone Generator
    Explanation
    A tone generator is the best way for a technician to identify the location of a wire in a wall. A tone generator can send a signal through the wire, which can then be detected using a tone probe or receiver. This allows the technician to trace the path of the wire without having to physically access it. A media tester, continuity tester, and multimeter are useful tools for other purposes, but they do not provide the same functionality as a tone generator for wire tracing.

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  • 41. 

    QUESTION NO: 103* Which of the following is found in a layer two switch?

    • SSID settings

    • Routing protocols

    • DNS zones

    • VLAN settings

    Correct Answer
    A. VLAN settings
    Explanation
    A layer two switch is primarily responsible for forwarding data packets based on MAC addresses. VLAN settings, which stands for Virtual Local Area Network settings, allow the switch to create separate virtual networks within a physical network, enabling better network management and security. Therefore, VLAN settings are commonly found in a layer two switch.

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  • 42. 

    QUESTION NO: 104 Which of the following cable types transmits data over lOOMbps per direction?

    • 100Base-TX

    • I0Base-T

    • 100Base-T

    • L0GBase-T

    Correct Answer
    A. L0GBase-T
    Explanation
    The correct answer is l0GBase-T. l0GBase-T is a cable type that can transmit data at a speed of 10Gbps per direction. This makes it the fastest option among the given cable types, which include 100Base-TX, I0Base-T, and 100Base-T.

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  • 43. 

    QUESTION NO: 105 A technician is dispatched to a remote office to install a new NIC in a client computer. After successfully installing and configuring the operating system to recognize the device, the computer still cannot access the network. Which of the following would MOST likely be the problem?

    • The CAT5 cable is defective

    • The NIC is disabled in BIOS

    • The NIC is disabled in Device Manager

    • The RJ-11 jack is defective

    Correct Answer
    A. The CAT5 cable is defective
    Explanation
    The most likely problem is that the CAT5 cable is defective. This is because even though the technician has successfully installed and configured the NIC, the computer still cannot access the network. This suggests that there is an issue with the physical connection between the computer and the network, which could be caused by a defective CAT5 cable.

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  • 44. 

    QUESTION NO: 113* Which of the following protocols allows email to be viewed while remaining on the email server?

    • SMTP

    • SSL

    • POP3

    • IMAP4

    Correct Answer
    A. IMAP4
    Explanation
    IMAP4 is the correct answer because it is a protocol that allows users to view their email messages while they remain on the email server. Unlike POP3, which downloads the emails to the user's device, IMAP4 keeps the emails stored on the server, allowing users to access them from multiple devices. SMTP is a protocol used for sending emails, SSL is a security protocol used for encrypting data transmission, and POP3 is a protocol that downloads emails to the user's device.

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  • 45. 

    QUESTION NO: 114* A Network address of 220.100.100.100 with a subnet mask of 255.255.255.0 can be rewritten in classlessinterdomain routing notation (CIDR) as which of the following?

    • 220.100.100.100 /24

    • 220.100.100.100/16

    • 220.100.100.100 /8

    • 220.100.100.100 /32

    Correct Answer
    A. 220.100.100.100 /24
    Explanation
    The given network address 220.100.100.100 with a subnet mask of 255.255.255.0 can be rewritten in CIDR notation as 220.100.100.100 /24. This means that the first 24 bits of the IP address represent the network portion, while the remaining 8 bits represent the host portion.

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  • 46. 

    QUESTION NO: 112 When connecting two devices for voice on a vertical connect, which of the following cables would be used to connect the two devices?

    • Cross-connect wire

    • 25 pair cable

    • CAT3

    • CAT5

    Correct Answer
    A. 25 pair cable
    Explanation
    The 25 pair cable would be used to connect two devices for voice on a vertical connect. This type of cable is commonly used in telecommunications for connecting telephone lines and is capable of carrying multiple voice signals simultaneously. It consists of 25 pairs of twisted copper wires, providing enough capacity to handle the voice connections between the devices.

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  • 47. 

    QUESTION NO: 111 Users are reporting that they can access Intenet web pages but cannot access the internal company website. Which of the following is the MOST likely source of the problem?

    • The intranet server is down.

    • The intranet DNS entry is non-authoritative.

    • The DNS address handed out by DHCP is incorrect.

    • The default gateway is incorrect.

    Correct Answer
    A. The intranet server is down.
    Explanation
    The most likely source of the problem is that the intranet server is down. This means that the server hosting the internal company website is not functioning properly or is experiencing technical difficulties, which is why users are unable to access it. The other options, such as the intranet DNS entry being non-authoritative, the DHCP DNS address being incorrect, or the default gateway being incorrect, are less likely to be the cause of the issue compared to the server itself being down.

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  • 48. 

    QUESTION NO: 107* Which of the following tools will identify if a CAT5e cable is operating at optimal performance?

    • Toner probe

    • Multimeter

    • Certifier

    • Butt set

    Correct Answer
    A. Certifier
    Explanation
    A certifier is a tool specifically designed to test and certify the performance of network cables, including CAT5e cables. It measures various parameters such as signal strength, attenuation, noise, and crosstalk to determine if the cable is operating at optimal performance. This tool is commonly used by network technicians and installers to ensure that the cables meet industry standards and can support high-speed data transmission. A toner probe, multimeter, and butt set are not specifically designed for certifying network cables and may not provide accurate measurements of cable performance.

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  • 49. 

    QUESTION NO: 106* Which of the following is the MOST likely cause of a wireless connection drop-off in a wireless G network?

    • Cellular interference

    • AM Radio

    • Cordless phones

    • FM Radio

    Correct Answer
    A. Cordless phones
    Explanation
    Cordless phones are the most likely cause of a wireless connection drop-off in a wireless G network. Cordless phones operate on the same frequency range as wireless G networks, which can lead to interference and signal degradation. This interference can result in dropped connections and reduced network performance.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 16, 2011
    Quiz Created by
    Ctstravis

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