CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 231:

  A company has a remote access VPN and wants to ensure that if a username and password are compromised, the corporate network will remain secure. Which of the following will allow the company to achieve its security goal?

  A. Posture assessment
  B. Kerberos
  C. TACACS+
  D. Two-factor authentication
  D. Two-factor authentication

• Question 232:

  Ann, a new user, is unable to communicate on the network from her computer. A technician has verified that the cables are functioning properly. Based on the information below, which action should the technician take to correct Ann's problem?

  Computer_ASwitch_A

  IP: 10.0.0.60Int VLAN10

  SM: 255.255.255.0IP address 10.0.0.1/28

  GW: 10.0.0.1Speed 100 Duplex Full

  A. Change the duplex on the switch interface to half
  B. Change the speed on the switch interface to 10Mbps
  C. Change the subnet mask of the computer to 255.255.255.240
  D. Change the IP address of the computer to 10.0.0.12
  D. Change the IP address of the computer to 10.0.0.12

• Question 233:

  A user at a small business states that they cannot connect to the Internet via the company's wireless network every time their cordless phone rings. Which of the following is MOST likely occurring?

  A. Interference
  B. Incorrect encryption type
  C. Latency
  D. SSID mismatch
  A. Interference

• Question 234:

  Which of the following can use a third party back-end LDAP user database for authentication?

  A. ISAKMP
  B. TACACS+
  C. PKI
  D. CHAP
  B. TACACS+

• Question 235:

  Which of the following would be used to connect a singlemode fiber cable to a CAT6 connection?

  A. Media converter
  B. T1-crossover
  C. Multimode cable
  D. Coaxial
  A. Media converter

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  Media converters support many different data communication protocols including Ethernet, Fast Ethernet, Gigabit Ethernet, T1/E1/J1, DS3/E3, as well as multiple cabling types such as coax, twisted pair, multi-mode and single-mode fiber optics.

• Question 236:

  Which of the following is the MAXIMUM data transmission rate of 802.11a?

  A. 8Mbps
  B. 11Mbps
  C. 54Mbps
  D. 107Mbps
  C. 54Mbps

• Question 237:

  Which of the following is a path vector routing protocol?

  A. RIP
  B. EIGRP
  C. ISIS
  D. OSPF
  E. BGP
  E. BGP

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  Because BGP involves a table of IP networks or "prefixes" which designate network reachability among autonomous systems (AS).

• Question 238:

  Which of the following would be considered a Demarc extension?

  A. A patch cable connecting a cable modem with a wireless router
  B. Patch panel wiring
  C. Punch down block wiring
  D. Copper wire connecting the main PSTN point of entry to a wall data outlet
  D. Copper wire connecting the main PSTN point of entry to a wall data outlet

• Question 239:

  Which of the following commands will provide an administrator with the number of hops a packet takes from host to host?

  A. nslookup
  B. ping
  C. traceroute
  D. route
  C. traceroute

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  In computing, traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop indicates the total time spent to establish the connection.

• Question 240:

  Users notice a problem with their network connectivity when additional lights are turned on. Which of the following would be the cause for this problem?

  A. DDOS
  B. Cross talk
  C. Open short
  D. EMI
  D. EMI

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  External Machine Interface (EMI), an extension to Universal Computer Protocol (UCP), is a protocol primarily used to connect to short message service centres (SMSCs) for mobile telephones.