Network +
- 1.
Your supervisor has asked you to correct several cable management problems that might be slowing down the network. Which organization's standard will guide you in assessing your firm's current cabeling situation?
- A.
ISO
- B.
ITU
- C.
TIA/EIA
- D.
IEEE
Correct Answer
C. TIA/EIA -
- 2.
Which technology does IEEE 802.11 specification describe?
- A.
Network Security
- B.
Ethernet LANs
- C.
Logic Link Control
- D.
Wireless Networks
Correct Answer
D. Wireless Networks -
- 3.
What is the primary function of a file server on a client/server network?
- A.
It monitors how many users are logged on to a WAN
- B.
It manages access and use of shared applications and data
- C.
It prevents unauthorized a remote users connecting to a LAN
- D.
It routes traffic between two or more LANs
Correct Answer
B. It manages access and use of shared applications and data -
- 4.
Suppose you wanted to share documents among several computers in your household in peer to peer fashion. You could do that by properly configuring which of the following types of software?
- A.
Word-processing software
- B.
Remote authentication software
- C.
Mail Client software
- D.
Operating system software
Correct Answer
D. Operating system software -
- 5.
The first services widely used by networks were:
- A.
Fax Services
- B.
Network Management Services
- C.
Mail Services
- D.
File and Print Services
Correct Answer
D. File and Print Services -
- 6.
On a client/server network, clients and servers usually require what to communicate?
- A.
A connectivity device
- B.
A website
- C.
A remote access server
- D.
A mail server
Correct Answer
A. A connectivity device -
- 7.
Your collegue, in describing the benefits of a client/server network, mentions that it is more scalable than a peer to peer network. What does she mean by this?
- A.
The client/server network can be more easily expanded
- B.
The client/server network is easier to set up
- C.
The client/server netowrk can be run on free software
- D.
The client/server allows more users to log on at one time
Correct Answer
A. The client/server network can be more easily expanded -
- 8.
Which of the following refers to the combination voice (such as telephone), video, and data signals sent over the same network?
- A.
Switching
- B.
Remote access
- C.
Convergence
- D.
Network Management
Correct Answer
C. Convergence -
- 9.
In networking, what does a packet refer to?
- A.
An electrical signal
- B.
A unit of data
- C.
An alarm
- D.
A way to connect a node to a network
Correct Answer
B. A unit of data -
- 10.
What device connects a client computer to a networks medium, such as wire?
- A.
Network line extender
- B.
Network terminator
- C.
A junction clip
- D.
A network interface card
Correct Answer
D. A network interface card -
- 11.
What elements of a network ensure that data arrive at their intended destination in the correct sequence?
- A.
Rings
- B.
Backbones
- C.
Protocols
- D.
File servers
Correct Answer
C. Protocols -
- 12.
The physical layout of nodes on a network is known as the network's?
- A.
Topology
- B.
Schematic
- C.
Formation
- D.
Grid
Correct Answer
A. Topology -
- 13.
Which of the following is an example of a mail service?
- A.
Preventing unauthorized users from gaining access to the network and, in perticular to its mail server
- B.
Ensuring that users are not running more copies of an email client than have been purchased
- C.
Exchanging messages between mail servers on different networks
- D.
Enabling users to print messages from their e-mail client software
Correct Answer
C. Exchanging messages between mail servers on different networks -
- 14.
Which of the following network topologies is most common on today's networks?
- A.
Ring
- B.
Fan
- C.
Star
- D.
Bus
Correct Answer
C. Star -
- 15.
You are condfiguring clients to communicate over an Ethernet LAN. Which of the following IEEE specifications will identify which frame type your client should use?
- A.
801.2
- B.
802.3
- C.
802.11
- D.
801.16
Correct Answer
B. 802.3 -
- 16.
Suppose your network is connected to another network via a router. Which OSI model layer provides the information necessary to direct data between networks?
- A.
Data Link Layer
- B.
Physical Layer
- C.
Network Layer
- D.
Session Layer
Correct Answer
C. Network Layer -
- 17.
Which OSI model is resonsible for keeping open a communication path between your computer and the server when you dial into a remote access server?
- A.
Session Layer
- B.
Data Link Layer
- C.
Presentation Layer
- D.
Physical Layer
Correct Answer
A. Session Layer -
- 18.
An IP address is an example of what type of address?
- A.
Physical Layer
- B.
Network Layer
- C.
MAC sub layer
- D.
Data link sublayer
Correct Answer
B. Network Layer -
- 19.
If the TCP protocol did not recieve an acknowledgement for data it transmitted, what would it do?
- A.
Issue it's own acknowlegement, indicating to the reciepiant that it did not recieve the acknowledgement expected
- B.
Issue a warning frame to tell the reciepiant it would retransmit the data if it did not recieve the acknowledgement within a certain time frame
- C.
Reestablish a connection with the reciepiant
- D.
Retransmit the data to the reciepiant
Correct Answer
D. Retransmit the data to the reciepiant -
- 20.
Which of the following would be found in a Data link layer header?
- A.
The packets fragmentation offset
- B.
The packets sequence number
- C.
The sources logical address
- D.
The sources physical address
Correct Answer
D. The sources physical address -
- 21.
By default, what is the largest data payload that packets on an Ethernet network can accept?
- A.
64 bytes
- B.
128 bytes
- C.
1500 bytes
- D.
2400 bytes
Correct Answer
C. 1500 bytes -
- 22.
A wave with which of the following frequencies would have the longest wavelengths?
- A.
10 MHz
- B.
100 MHz
- C.
1 GHz
- D.
100 GHz
Correct Answer
A. 10 MHz -
- 23.
Ethernet relies on which of the following transmition types?
- A.
Simplex
- B.
Half-simplex
- C.
Half-duplex
- D.
Full-duplex
Correct Answer
D. Full-duplex -
- 24.
With everything else being equal, a network using which of the following UTP types will suffer the most cross talk?
- A.
CAT 3
- B.
CAT 5
- C.
CAT 6a
- D.
CAT 7
Correct Answer
A. CAT 3 -
- 25.
Which of the following is not a source of EMI?
- A.
Powerline
- B.
Megaphone
- C.
Microwave oven
- D.
Flourescent Lights
Correct Answer
B. Megaphone -
- 26.
What is the purpose of cladding in fiber-optic cable?
- A.
It reflects the signal back to the core
- B.
It protects the inner core from damage
- C.
It shields the signal from EMI
- D.
It concentrates the signal and keeps it from fading
Correct Answer
A. It reflects the signal back to the core -
- 27.
In which of the following network links might you use MT-RJ connectors?
- A.
A coaxil cable between a modem and a server
- B.
A UTP connection between a workstation and a hub
- C.
A wireless connection between a handheld computer and a desktop computer
- D.
A fiber-optic connection between a server and a router
Correct Answer
D. A fiber-optic connection between a server and a router -
- 28.
What is the maximum distance specified in the structured cableing standard for a horizontal wiring subsystem?
- A.
10 m
- B.
90 m
- C.
100 m
- D.
200 m
Correct Answer
C. 100 m -
- 29.
What is the function of ARP?
- A.
To acknowledge that a data frame was recieved
- B.
To obtain the IP address of a host, then map that IP address to a registered domain name
- C.
To measure the number of dropped packets in a single transmission
- D.
To obtain the MAC address of a host, and then map that MAC address to the host's IP address
Correct Answer
D. To obtain the MAC address of a host, and then map that MAC address to the host's IP address -
- 30.
Suppose your computer's IP address is 155.61.9.188, and your network admonistrator has not subnetted the network to which you are connected. What is your computer's subnetmask?
- A.
255.0.0.0
- B.
255.255.0.0
- C.
255.255.255.0
- D.
255.255.255.255
Correct Answer
B. 255.255.0.0 -
- 31.
If you are connected to a network that uses DHCP, and you need to terminate your Windows workstations DHCP lease, which of the following commands would you use?
- A.
Ipconfig/ term
- B.
Ipconfig/ exit
- C.
Ipconfig/ release
- D.
Ipconfig/ stop
Correct Answer
C. Ipconfig/ release -
- 32.
Which of the following IP addresses have been assigned by APIPA?
- A.
169.180.23.5
- B.
255.254.254.0
- C.
192.285.128.3
- D.
255.127.0.0
Correct Answer
A. 169.180.23.5 -
- 33.
You have just set up a new wireless network in your house, and you want to determine wether your Linux laptop has connected to it and obtained a valid IP address. Which of the following commands will allow you to find all the information you need?
- A.
Ipconfig/ all
- B.
Ipconfig/ -a
- C.
Ipconfig/ -n
- D.
Ipconfig/ net
Correct Answer
B. Ipconfig/ -a -
- 34.
Which of the following is suceptible to signal bounce?
- A.
Partial-mesh
- B.
Bus
- C.
Ring
- D.
Full-mesh
Correct Answer
B. Bus -
- 35.
Your school's network has outgrown its designated telco rooms, so you decide to house a few routers in an old janitor's closet temporarily. However, because the closet has no power outlets, you will have to supply the routers power over the network. If youre lucky your LAN already uses which of the following Ethernet standards that will allow you to do that?
- A.
100Base-FX
- B.
1000Base-T
- C.
1000Base-LX
- D.
10GBase-LR
Correct Answer
B. 1000Base-T -
- 36.
What is the minimum cabling standard for 10GBase-T Ethernet?
- A.
MMF
- B.
CAT 3
- C.
CAT 5
- D.
CAT 6
Correct Answer
D. CAT 6 -
- 37.
What is the purpose of padding an Ethernet frame?
- A.
Ensuring that the frame and data arrive without error
- B.
Ensuring that the frame arrives in sequence
- C.
Ensuring that the data protion of the frame totals at least 46 bytes
- D.
Indicating the length of the frame
Correct Answer
C. Ensuring that the data protion of the frame totals at least 46 bytes -
- 38.
What are the minimum and maximum sizes for an Ethernet frame?
- A.
46 and 64 bytes
- B.
46 and 128 bytes
- C.
64 and 1518 bytes
- D.
64 and 1600 bytes
Correct Answer
C. 64 and 1518 bytes -
- 39.
What happens to the CSMA/CD when a node detects that its data have suffered a collision?
- A.
It immediatly retransmits the data
- B.
It signals to the other nodes that it is about to retransmit the data, and then does so
- C.
It waits for a random of time before checking the network for activity and then retransmits the data
- D.
It signals to the network that the its data were damaged in a collision, waits a brief period of time before checking the network for activity, and then retransmits the data
Correct Answer
D. It signals to the network that the its data were damaged in a collision, waits a brief period of time before checking the network for activity, and then retransmits the data -
- 40.
Which of the following is a significant advantage to using an SFP interface on a router rather than an on-board NIC?
- A.
The SFP will be capable of higher throughputs
- B.
The SFP can be added or removed without affecting operations, thus allowing for customization and future upgrades
- C.
The SFP can accept multiple types of connectors, allowing the router to connect to dispirate network types
- D.
The SFP promises greater security, as it can encrypt and decrypt data
Correct Answer
B. The SFP can be added or removed without affecting operations, thus allowing for customization and future upgrades -
- 41.
What potential problem does STP (Spanning Tree Protocol) address?
- A.
An excess of errornously short packets
- B.
A broadcast storm
- C.
Network congestion due to a router failure
- D.
Slow convergence of time
Correct Answer
B. A broadcast storm -
- 42.
Which of the following distinguishes switches from repeating devices such as hubs?
- A.
Switches seperate collision domains
- B.
Switches seperate broadcast domains
- C.
Switches can alert the network administrator to high data collision rates
- D.
Switches do not examine Network layer protocol information, which makes them faster than repeating devices
Correct Answer
A. Switches seperate collision domains -
- 43.
Which of the following elements of the PSTN is most likely capable of transmitting only analog signals?
- A.
Central Office
- B.
Local Loop
- C.
CSU/DSU
- D.
Remote switching facility
Correct Answer
B. Local Loop -
- 44.
Which of the following WAN topologies comes with the highest availablilty and the greatest cost?
- A.
Bus
- B.
Tiered
- C.
Partial Mesh
- D.
Full Mesh
Correct Answer
D. Full Mesh -
- 45.
How does ATM differ from other WAN technology?
- A.
It does not use packet switching
- B.
It requires fiber-optic media
- C.
It does not provide error detection or correction
- D.
It uses fixed sized cells to carry data
Correct Answer
D. It uses fixed sized cells to carry data -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 07, 2013Quiz Edited by
ProProfs Editorial Team -
Dec 11, 2012Quiz Created by
Mws332
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