Networking 005 Part 4

1. A server keeps rebooting at various times throughout the day. Which of the following tools would BEST help to diagnose this issue?

Multimeter

Temperature monitor

Cable tester

Toner probe

2. An administrator finds a phone line but does not know where the line goes or if it is active. Which of the following can be used to test if it is active?

Butt set

Punch down tool

Cable tester

Cable stripper

3. An administrator is deploying three B/G wireless access points in a new office location. Which of the following channels eliminates interference?

1, 6, and11

3, 6, and 9

11,16, and20

36, 40, and 44

4. Which of the following tools would a technician use to check functionality of a physical network connection?

Butt set

Cable tester

Protocol analyzer

Voltage event recorder

5. Several users from the same location are reporting problems accessing the intranet server. An administrator has verified that no other remote areas are having issues connecting to the same server. Which of the following steps should the administrator perform NEXT?

Determine what has changed

Test a solution

Establish the most probable cause

Escalate the problem to the right section

6. On which of the following network devices would an administrator configure an ACL?

Router

Hub

Repeater

NIC

7. A network IPS provides which of the following?

The layer 3 protocol on which other protocols like TCP and UDP communicate

Enables the IPSec protocol on internal workstations.

Packet-based detection and prevention of network attacks

Single mode IP communication for a fiber line between remote sites.

8. Which of the following should be configured to provide priority to voice traffic?

Port mirroring

DMZ

Qos

Trunking

9. An administrator is trying to isolate the location of a persistent connectivity problem caused by a faulty NIC. Which of the following diagrams would assist the technician in finding the machine that is causing the problem?

Physical and logical network

Physical network

Logical network

DHCP tables and DNS records

10. Which of the following protocols is the LEAST secure and should be avoided on a wireless network?

WEP

PEAP

WPA

TKIP

11. Which of the following allows a technician to mask a private network of IP addresses behind one public IP address?

NAT

Subnetting

DHCP

DNS

12. A standard installation for wireless will use which of the following antenna types?

Sector

Patch

Yagi

Omni-Directional

13. Which of the following regulates the amount of network traffic a single node receives in a server cluster?

Load balancer

Proxy server

Content filter

Quality of service

14. A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?

CAT3 cable

Serial cable

Crossover cable

Rollover cable

15. Which of the following solutions will detect and disable a rogue access point?

Port scan

Packet sniffer

IPS

IDS

16. Which of the following cables is the MOST susceptible to interference?

Fiber

Coax

UTP

STP

17. When installing a wireless network in a large area, which of the following is the FIRST thing that should be considered when trying to get the MOST coverage?

SSID naming

Device placement

Encryption methods

Channel selection

18. Which of the following cable speeds would provide the GREATEST theoretical bandwidth?

1000BaseT

100BaseT

10GBaseT

10BaseT

19. Which of the following documents should always be kept up-to-date after any major changes are made to a network backbone?

Network diagram

Performance baseline

Network security procedure

Company policy

20. A crossover cable is MOST commonly associated with which of the following layers of the OSI model?

Session

Application

Network

Physical

21. An administrator is setting up a security camera that will send the same feed to twelve of the twenty workstations on the network. Which of the following addressing schemes was designed for this scenario?

Multicast

Unicast

Broadcast

Peer-to-peer

22. A user receives an email slating that their account was compromised and there is a need to verify account credentials by submitting the correct information on a website. Which of the following security threats is occurring?

Phishing

Smurf attack

Denial of service

Man-in-the-middle

23. A technician would like to separate the HR department's workstations from the other workstations at the company. Which of the following network topologies should be used?

Peer to peer

Subnetting

VLAN

VPN

24. Which of the following connector types is used for coax cable?

BNC

ST

LC

SC

25. Which of the following technologies allows an administrator to submit traffic to an IDS for review?

Spanning tree

VLAN

PoE

Port mirroring

26. An administrator would like to know the name of the workstation that is being repaired. Which of the following commands, without parameters, will provide this information?

Hostname

Ipconfig

Netstat

Ping

27. Which of the following methods can move files in clear text and can be easily intercepted?

RSH

SNMP

FTP

TELNET

28. A technician claims to have crimped a patch cable according to the T568A standard on one end and T568B on the other. Which of the following results is to be expected?

Since only half the leads are used, the cable will only work at 100Mbps

The cable will only work at a maximum of 100Mbps. since 1Gbps only works on T568B cables.

There will be no proper data continuity; the standards utilize two different wiring diagrams.

The cable will only work at a maximum of 10Mbps. since 100/1000Mbps only works on T568Bpure cables

29. Which of the following is a reason to block FTP at the corporate firewall?

It does not transfer encrypted files.

It cannot be tunneled in a VPN.

It is a deprecated protocol

It transmits passwords in clear text.

30. An administrator receives reports from users in an office that their 802.11g wireless connectivity has been problematic since the installation of the new wireless phone system. At which of the following frequencies are both systems operating at to cause this issue?

2.4GHz

900MHz

1.1GHz

5GHz

31. An administrator is concerned about users utilizing the company's wireless signal with their personal laptops. Which of the following is the BEST method to use to prevent unauthorized devices from using the company's wireless network?

Secure VPN

MAC filtering

IP filtering

Static IP addresses

32. Which of the following protocols should be used to monitor network performance?

SNTP

SMTP

HTTP

SNMP

33. Which of the following allows a WAP to be installed in a location where there are no power outlets available?

Port authentication

PoE

PPTP

Trunking

34. Prioritizing traffic between data and voice is defined as which of the following?

Caching engines

Proxy server

QoS

Load balancing

35. An administrator has completed the installation of a new WLAN. Which of the following configuration management documents needs to be updated?

Logical network diagram

History logs

Baseline configurations

Wiring schematics

36. A technician needs to add network capacity. However, when plugging a second switch into the first switch, there is no link light. Which of the following is the cause of this situation?

The switches are not stackable

The cable was not wired using 568A.

The cable needs to be a crossover cable

The switches have IGMP snooping enabled

37. Which of the following is true about an IP address if the first bit is a zero?

The address is a Class A address.

The address is a Class B address

The address is a Class C address

The address is a Class D address.

38. An administrator is configuring IP 10.178.1.5 on a legacy device that will only accept a classful address. Which of the following is the address that can be used in this scenario?

10.178.1.5/1

10.178.1.5/8

10.178.1.5/16

10.178.15/30

39. An administrator receives a contract for a server install at a new building. Which of the following should be completed after installing the server?

Log the administrator password used

Test the air temperature

Update the network diagram

Review the evacuation procedures

40. Which of the following is the term used to describe the aggregation of multiple components to form one logical component?

Bonding

Circuit switching

CSMA/CD

Channelization

41. In an enterprise setting, access switches providing network connectivity placed throughout a building are typically connected to a backbone called the:

MDF

Proxy

Demarcation point

Smart jack

42. A demarcation point is usually installed and managed by which of the following providers?

Web host provider

VoIP company

Telephone company

Hardware manufacturer

43. Users are unable to access the Internet but the users are able to send/receive email from their desktops. Which of the following ports is MOST likely being blocked?

25

80

110

143

44. Which of the following would need to be implemented on a wireless router to allow network access based on a passphrase that the administrator would supply?

WPA-PSK encryption

SSID broadcast

Port forwarding

MAC filtering

45. Hardware locks, keypads on entry doors, badge readers, and biometric readers are all examples of which of the following security types?

Physical

Logical

Software

Authentication

46. Which of the following is equipment provided by the telephone company that provides remote diagnostic and loopback services for subscriber lines?

66 block

Demarc

Smart jack

110 block

47. An administrator is troubleshooting a communication issue between two computers on the same Layer 2 switch. Which of the following is the BEST way to determine if the switch is causing the issue?

Setup an ACL that allows and logs all IP traffic between the two computers

Configure a spanning tree to check for a loop

Setup a span port on the switch to watch for CRC errors

Connect both computers using a crossover cable

48. Which of the following would be used to connect two IDFs in the same building with the LAN, while minimizing crosstalk?

RG-6

STP

CAT3

UTP

49. Which of the following devices would allow a technician using a packet sniffer to view all the data on a network?

GBIC

Hub

Bridge

Modem

50. Which of the following network devices would MOST likely be installed to allow the company's single public IP to be shared and translated into local IPs for network devices?

Router

Hub

WAP

Switch

51. After testing a new 100BaseTX cable, the technician determines that only pairs 4, 5, 7, and 8 are straight-thru wires. Which of the following MOST likely describes this cable type?

Crossover cable with open pairs

Crossover cable

Rollover cable

Straight-thru cable with open pairs

52. Which of the following troubleshooting steps should be performed NEXT after a core router has been reported down?

Implement a solution

Establish the outage cause

Identify all affected areas.

Test a solution

53. An administrator needs to diagnose problems with a WINS server. Which of the following tools should be used?

Nslookup

Nbtstat

Dig

Netstat

54. Which of the following wireless standards has the highest maximum data rate?

802.11n

802.11b

802.11a

802.11g

55. Which of the following is an invalid subnet mask?

255.0.0.0

255.256.255.0

255.255.255.255

255.255.00

56. Which of the following routing protocols runs over UDP and determines path based upon distance vectors?

RIP

DSI

BGP

ISIS

57. Which of the following tools are BEST used to cut away the outside covering of a CAT5e cable?

Stripper

Punch down tool

Butt set

Snips

58. Which of the following wiring distribution components should be chosen to provide level integrated diagnostic capabilities?

Vampire tap

Smart jack

Demarcation point

Programmable logic controller

59. An administrator needs to authenticate users to the network, authorize network activities, and account for activities done. Which of the following are services that will BEST meet these goals? (Select TWO).

TACACS+

RADIUS

Kerberos

802.1X

RRAS

Submit

60. Which of the following ports is the default telnet port?

20

21

22

23

61. A zone transfer occurs over which of the following ports?

TCP 53

UDP67

UDP123

TCP 25

62. Which of the following network topologies BEST describes a VPN? (Select TWO)

Point to Point

Point to Multipoint

VLAN

Ring

Bus

Submit

63. Which of the following connectivity issues is likely to occur within a token ring network?

Crosstalk

Broadcast storm

Duplex mismatch

Collision

64. Which of the following devices would MOST likely integrate a DHCP server?

Router

Hub

Switch

Bridge

65. Which of the following is a disadvantage of using the EIGRP protocol?

It does not scale well.

It converges slower than OSPF.

It is a proprietary protocol

It is a distance vector protocol

66. Which of the following protocols requests membership to a multicast group?

IGMP

SNMP

SMTP

ICMP

67. Which of the following tools would an administrator BEST use to trace a network cable?

Toner

Cable tester

Butt set

Multimeter

68. Which of the following is the purpose of QoS?

Load balance traffic across multiple LAN and WAN links.

Increase speed of network traffic.

Classify, mark, and prioritize traffic on WAN and LAN links

Guarantee traffic delivery.

69. Which of the following ports are used by default for web servers? (Select TWO).

80

110

123

143

443

Submit

70. Which of the following has a MAXIMUM distance of 300 meters (984 feet)?

1000BaseT

10GBaseSW

100BaseFX

100BaseTX

71. A client wants to improve the wireless coverage on the third floor of their house. The wireless router is located in the basement and there is no easy way to run a cable to the third floor. Which of the following devices should be installed to extend the wireless coverage to cover the entire third floor without running cables?

Switch

Router

Repeater

Bridge

72. An administrator wants to prevent users from plugging in their personal laptops and accessing the Internet without a member of the IT staff configuring the machine first. Which of the following would MOST likely be installed?

Multilayer switch

CSU

Proxy server

IDS

73. The helpdesk is receiving calls about the corporate web server being down. Which of the following should be taken NEXT after verifying that the server is unreachable?

Escalate the call to a technician

Document any changes in the web server configuration

Implement and test a solution

Continuously ping the server until a ping response is obtained

74. Which of the following describes what the number two represents in l00Base2 cabling?

Fiber

Coaxial cable

UTP

Twisted pair

75. Which of the following devices is used to connect multiple devices to a network and does not stop broadcast traffic?

Switch

Hub

Modem

Repeater

76. A technician who separated two departments using VLANs now discovers that the VLANs cannot communicate with each other. Which of the following does the technician need to enable communication between the VLANs?

Port spanning

VLAN concentrator

Firewall

Router

77. Which of the following is a secure method of copying information over a public network?

SCP

SMTP

SNMP

TFTP

78. Which of the following analyzes the entire subnet to identify all hosts that are active?

Ping sweep

Packet sniffer

Traceroute

Port scanner

79. Which of the following is used to serve as an emergency backup line to troubleshoot a broadband connection on many routers?

DSL

POTS

VDSL

Smart jack

80. Which of the following authenticates a web server to the remote client in PKI?

FQDN

DNS name

Public key

Private key

81. Which of the following technologies is used on the backbone of an ISDN?

VDSL

SDSL

OC3

ATM

82. Which of the following is true of an ACL when a packet matching an ACE is found?

The matching ACE is skipped to allow all other ACEs to be examined.

The matching ACE is processed and then the last ACE is examined.

The matching ACE is processed and then the next ACE is examined

The matching ACE is processed and the next packet is examined

83. Which of the following protocols allow the set up, teardown and streaming of VoIP traffic? (Select TWO)

NTP

VNC

RTP

SIP

TLS

Submit

84. An administrator suspects that an incorrect POTS line is carrying the DSL signal. Which of the following will help diagnose this issue?

Multimeter

Toner probe

Protocol analyzer

Butt set

85. An administrator wants to test the network MTU. Which of the following commands allows different size packets to be sent?

Netstat

Traceroute

Nbtstat

Ping

86. A technician needs to troubleshoot connectivity between two devices located on the same network. Which of the following BEST describes the type of protocol being used?

IGP

EIGRP

EGP

BGP

87. A user is attempting to connect to the network remotely using a laptop and dial-up. The user plugs the cable into the only available laptop connection, but the connector is loose inside the port. The MOST likely reason the connector is loose is the:

RJ-11 connector needs to be re-crimped

User has plugged into the laptop's NIC port

User has plugged the wrong end of the cable into the port

RJ-11 connector needs to be replaced with an RJ-45 connector

88. Which of the following protocols uses UDP to transfer files?

FTP

SFTP

SMTP

TFTP

89. An administrator is having a hard time adding a new switch to the network. After verifying that all the ports are configured correctly on each switch, which of the following should the administrator verily NEXT?

Straight-through cable is used to connect both switches

Loopback plug is connected

Crossover cable is used to connect both switches

Cable is a rollover cable

90. Which of the following LAN technology has a MAXIMUM range of 10,000 meters (6 miles)?

10GBaseER

10GBaseSW

10GBaseLW

10GBaseEW

91. Which of the following utilities would be used to display a network's MX record?

Dig

Nbtstat

Traceroute

Route

92. Which of the following is true of stateless inspection?

It is not able to determine which ports to block.

It is able to detect packets from established connections only.

It is able to determine the connection state of all packets going through the firewall

It is not able to determine if a packet is related to an established connection.

93. Which of the following is typically used In an LAN environment?

10GBaseSW

10GBaseLW

10GBaseSR

10GBaseEW

94. A user connecting a laptop to a wall jack is prompted for user credentials before being granted access to the network. Which of the following is MOST likely implemented on the switch?

MAC filtering

PoE

IP filtering

802.1X

95. Which of the following performs posture assessments for unknown devices that connect to the network?

PKI

EAP

NAC

AAA

96. When testing a CAT5 cable, the technician notices that pin A is open. However, the cable still works fine. Which of the following describes how this is possible?

The cable was tested for 100BaseTX.

The cable is a 1000BaseT cable.

The switch uses link aggregation,

The switch was setup to use MDIX.

97. Which of the following routing protocols involves all routers knowing the connections status of other routers within the network?

RIPv2

OSPF

IGRP

BGP

98. At which of the following OSI model layers is HTTPS encryption performed?

Layer 3

Layer 5

Layer 6

Layer 7

99. Which of the following network cable types requires grounding?

STP

UTP

Fiber

Serial

100. Which of the following routing protocols are unable to advertise CIDR networks? (Select TWO)

OSPF

RIP

EIGRP

IGRP

RIPv2

Submit

Networking 005 Part 4

1. A server keeps rebooting at various times throughout the day. Which of the following tools would BEST help to diagnose this issue?

2.

What first name or nickname would you like us to use?

2. An administrator finds a phone line but does not know where the line goes or if it is active. Which of the following can be used to test if it is active?

3. An administrator is deploying three B/G wireless access points in a new office location. Which of the following channels eliminates interference?

4. Which of the following tools would a technician use to check functionality of a physical network connection?

5. Several users from the same location are reporting problems accessing the intranet server. An administrator has verified that no other remote areas are having issues connecting to the same server. Which of the following steps should the administrator perform NEXT?

6. On which of the following network devices would an administrator configure an ACL?

7. A network IPS provides which of the following?

8. Which of the following should be configured to provide priority to voice traffic?

9. An administrator is trying to isolate the location of a persistent connectivity problem caused by a faulty NIC. Which of the following diagrams would assist the technician in finding the machine that is causing the problem?

10. Which of the following protocols is the LEAST secure and should be avoided on a wireless network?

11. Which of the following allows a technician to mask a private network of IP addresses behind one public IP address?

12. A standard installation for wireless will use which of the following antenna types?

13. Which of the following regulates the amount of network traffic a single node receives in a server cluster?

14. A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?

15. Which of the following solutions will detect and disable a rogue access point?

16. Which of the following cables is the MOST susceptible to interference?

17. When installing a wireless network in a large area, which of the following is the FIRST thing that should be considered when trying to get the MOST coverage?

18. Which of the following cable speeds would provide the GREATEST theoretical bandwidth?

19. Which of the following documents should always be kept up-to-date after any major changes are made to a network backbone?

20. A crossover cable is MOST commonly associated with which of the following layers of the OSI model?

21. An administrator is setting up a security camera that will send the same feed to twelve of the twenty workstations on the network. Which of the following addressing schemes was designed for this scenario?

22. A user receives an email slating that their account was compromised and there is a need to verify account credentials by submitting the correct information on a website. Which of the following security threats is occurring?

23. A technician would like to separate the HR department's workstations from the other workstations at the company. Which of the following network topologies should be used?

24. Which of the following connector types is used for coax cable?

25. Which of the following technologies allows an administrator to submit traffic to an IDS for review?

26. An administrator would like to know the name of the workstation that is being repaired. Which of the following commands, without parameters, will provide this information?

27. Which of the following methods can move files in clear text and can be easily intercepted?

28. A technician claims to have crimped a patch cable according to the T568A standard on one end and T568B on the other. Which of the following results is to be expected?

29. Which of the following is a reason to block FTP at the corporate firewall?

30. An administrator receives reports from users in an office that their 802.11g wireless connectivity has been problematic since the installation of the new wireless phone system. At which of the following frequencies are both systems operating at to cause this issue?

31. An administrator is concerned about users utilizing the company's wireless signal with their personal laptops. Which of the following is the BEST method to use to prevent unauthorized devices from using the company's wireless network?

32. Which of the following protocols should be used to monitor network performance?

33. Which of the following allows a WAP to be installed in a location where there are no power outlets available?

34. Prioritizing traffic between data and voice is defined as which of the following?

35. An administrator has completed the installation of a new WLAN. Which of the following configuration management documents needs to be updated?

36. A technician needs to add network capacity. However, when plugging a second switch into the first switch, there is no link light. Which of the following is the cause of this situation?

37. Which of the following is true about an IP address if the first bit is a zero?

38. An administrator is configuring IP 10.178.1.5 on a legacy device that will only accept a classful address. Which of the following is the address that can be used in this scenario?

39. An administrator receives a contract for a server install at a new building. Which of the following should be completed after installing the server?

40. Which of the following is the term used to describe the aggregation of multiple components to form one logical component?

41. In an enterprise setting, access switches providing network connectivity placed throughout a building are typically connected to a backbone called the:

42. A demarcation point is usually installed and managed by which of the following providers?

43. Users are unable to access the Internet but the users are able to send/receive email from their desktops. Which of the following ports is MOST likely being blocked?

44. Which of the following would need to be implemented on a wireless router to allow network access based on a passphrase that the administrator would supply?

45. Hardware locks, keypads on entry doors, badge readers, and biometric readers are all examples of which of the following security types?

46. Which of the following is equipment provided by the telephone company that provides remote diagnostic and loopback services for subscriber lines?

47. An administrator is troubleshooting a communication issue between two computers on the same Layer 2 switch. Which of the following is the BEST way to determine if the switch is causing the issue?

48. Which of the following would be used to connect two IDFs in the same building with the LAN, while minimizing crosstalk?

49. Which of the following devices would allow a technician using a packet sniffer to view all the data on a network?

50. Which of the following network devices would MOST likely be installed to allow the company's single public IP to be shared and translated into local IPs for network devices?

51. After testing a new 100BaseTX cable, the technician determines that only pairs 4, 5, 7, and 8 are straight-thru wires. Which of the following MOST likely describes this cable type?

52. Which of the following troubleshooting steps should be performed NEXT after a core router has been reported down?

53. An administrator needs to diagnose problems with a WINS server. Which of the following tools should be used?

54. Which of the following wireless standards has the highest maximum data rate?

55. Which of the following is an invalid subnet mask?

56. Which of the following routing protocols runs over UDP and determines path based upon distance vectors?

57. Which of the following tools are BEST used to cut away the outside covering of a CAT5e cable?

58. Which of the following wiring distribution components should be chosen to provide level integrated diagnostic capabilities?

59. An administrator needs to authenticate users to the network, authorize network activities, and account for activities done. Which of the following are services that will BEST meet these goals? (Select TWO).

60. Which of the following ports is the default telnet port?

61. A zone transfer occurs over which of the following ports?

62. Which of the following network topologies BEST describes a VPN? (Select TWO)

63. Which of the following connectivity issues is likely to occur within a token ring network?

64. Which of the following devices would MOST likely integrate a DHCP server?

65. Which of the following is a disadvantage of using the EIGRP protocol?

66. Which of the following protocols requests membership to a multicast group?

67. Which of the following tools would an administrator BEST use to trace a network cable?

68. Which of the following is the purpose of QoS?

69. Which of the following ports are used by default for web servers? (Select TWO).

70. Which of the following has a MAXIMUM distance of 300 meters (984 feet)?

72. An administrator wants to prevent users from plugging in their personal laptops and accessing the Internet without a member of the IT staff configuring the machine first. Which of the following would MOST likely be installed?

73. The helpdesk is receiving calls about the corporate web server being down. Which of the following should be taken NEXT after verifying that the server is unreachable?

74. Which of the following describes what the number two represents in l00Base2 cabling?

75. Which of the following devices is used to connect multiple devices to a network and does not stop broadcast traffic?

76. A technician who separated two departments using VLANs now discovers that the VLANs cannot communicate with each other. Which of the following does the technician need to enable communication between the VLANs?

77. Which of the following is a secure method of copying information over a public network?

78. Which of the following analyzes the entire subnet to identify all hosts that are active?