CompTIA N10-004 Network+ Certification Practice Test Set 5

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


Options are :

  • Application
  • Session
  • Physical (Correct)
  • Network

Answer : Physical

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?


Options are :

  • IDS
  • Proxy server (Correct)
  • CSU
  • Multilayer switch

Answer : Proxy server

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


Options are :

  • Bridge
  • GBIC
  • Hub (Correct)
  • Modem

Answer : Hub

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


Options are :

  • Twisted pair
  • UTP
  • Fiber
  • Coaxial cable (Correct)

Answer : Coaxial cable

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?


Options are :

  • Loopback plug is connected
  • iCable s a rollover cable
  • Crossover cable is used to connect both switches (Correct)
  • Straight-through cable is used to connect both switches

Answer : Crossover cable is used to connect both switches

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


Options are :

  • 1000BaseT
  • 100BaseT
  • 10BaseT
  • 10GBaseT (Correct)

Answer : 10GBaseT

Which of the following is an invalid subnet mask?


Options are :

  • 255.255.00
  • 255.0.0.0
  • 255.256.255.0 (Correct)
  • 255.255.255.255

Answer : 255.256.255.0

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?


Options are :

  • PoE
  • 802.1X (Correct)
  • IP filtering
  • MAC filtering

Answer : 802.1X

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?


Options are :

  • 2.4GHz (Correct)
  • 5GHz
  • 900MHz
  • 1.1GHz

Answer : 2.4GHz

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?


Options are :

  • Straight-thru cable with open pairs
  • Crossover cable with open pairs
  • Rollover cable
  • Crossover cable (Correct)

Answer : Crossover cable

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


Options are :

  • NAT (Correct)
  • DHCP
  • DNS
  • Subnetting

Answer : NAT

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


Options are :

  • Test the air temperature
  • Update the network diagram (Correct)
  • Review the evacuation procedures
  • Log the administrator password used

Answer : Update the network diagram

Which of the following protocols allow the set up, teardown and streaming of VoIP traffic?


Options are :

  • VNC
  • SIP (Correct)
  • TLS
  • RTP (Correct)

Answer : SIP RTP

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


Options are :

  • It is a deprecated protocol.
  • It cannot be tunneled in a VPN.
  • It does not transfer encrypted files.
  • It transmits passwords in clear text. (Correct)

Answer : It transmits passwords in clear text.

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


Options are :

  • Physical (Correct)
  • Logical
  • Software
  • Authentication

Answer : Physical

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


Options are :

  • 1000BaseT
  • 100BaseTX
  • 10GBaseSW (Correct)
  • 100BaseFX

Answer : 10GBaseSW

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?


Options are :

  • 802.1X
  • Kerberos
  • RADIUS (Correct)
  • TACACS+ (Correct)
  • RRAS

Answer : RADIUS TACACS+

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


Options are :

  • Smart jack (Correct)
  • 110 block
  • Demarc
  • 66 block

Answer : Smart jack

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


Options are :

  • nbtstat
  • traceroute
  • netstat
  • ping (Correct)

Answer : ping

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


Options are :

  • TFTP
  • SMTP
  • SNMP
  • SCP (Correct)

Answer : SCP

Which of the following network topologies BEST describes a VPN?


Options are :

  • Point to Point (Correct)
  • Bus
  • VLAN
  • Point to Multipoint (Correct)
  • Ring

Answer : Point to Point Point to Multipoint

Which of the following ports are used by default for web servers?


Options are :

  • 443 (Correct)
  • 123
  • 110
  • 143
  • 80 (Correct)

Answer : 443 80

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?


Options are :

  • Butt set (Correct)
  • Punch down tool
  • Cable tester
  • Cable stripper

Answer : Butt set

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


Options are :

  • Butt set
  • Cable tester
  • Multimeter
  • Toner (Correct)

Answer : Toner

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


Options are :

  • Smart jack
  • VDSL
  • DSL
  • POTS (Correct)

Answer : POTS

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


Options are :

  • QoS (Correct)
  • Caching engines
  • Load balancing
  • Proxy server

Answer : QoS

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


Options are :

  • 10GBaseSW
  • 10GBaseEW
  • 10GBaseLW (Correct)
  • 10GBaseER

Answer : 10GBaseLW

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


Options are :

  • Port mirroring (Correct)
  • PoE
  • VLAN
  • Spanning tree

Answer : Port mirroring

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


Options are :

  • Butt set
  • Protocol analyzer
  • Voltage event recorder
  • Cable tester (Correct)

Answer : Cable tester

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?


Options are :

  • Setup a span port on the switch to watch for CRC errors
  • Connect both computers using a crossover cable (Correct)
  • Configure a spanning tree to check for a loop
  • Setup an ACL that allows and logs all IP traffic between the two computers

Answer : Connect both computers using a crossover cable

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