CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 751:

  Users inform an administrator that the network is slow. The administrator notces the bulk of the trafc is SIP and RTP trafc. Which of the following could the administrator do to help BEST alleviate the trafc congeston for the users?

  A. Create an ACL on the switches and routers that are dropping SIP and RTP packets.
  B. Create a QoS policy prioritiing users over RTP and SIP trafc.
  C. Create another VLAN for SIP and RTP trafc.
  D. Create a rule to throtle SIP and RTP to 10Kbps or less.
  C. Create another VLAN for SIP and RTP trafc.

• Question 752:

  A user is connectng to the Internet at an airport through an ad-hoc connecton. Which of the following is the MOST likely security threat?

  A. Man-in-the-middle
  B. Social engineering
  C. Phishing
  D. DoS
  A. Man-in-the-middle

• Question 753:

  Which of the following is used to allow multple sources on a single optcal cable?

  A. HSPA+
  B. MIMO
  C. DWDM
  D. SONET
  C. DWDM

• Question 754:

  A managed switch ofers which of the following benefts over an unmanaged switch? (Select TWO).

  A. 802.1q
  B. SNMP
  C. Gigabit
  D. Layer 2 forwarding
  E. Fewer collision domains
  A. 802.1q
  B. SNMP

• Question 755:

  Which of the following protocols are used for accessing a command line terminal session for management purposes? (Select TWO).

  A. Telnet
  B. FTP
  C. SNMP
  D. SSH
  E. RDP
  A. Telnet
  D. SSH

• Question 756:

  Multple computers are connected to a hub near a wall plate. In order to get to the computersf students step on and around the cable that connects the teacherns statonf a few feet awayf to the same hub. The teacher is experiencing no network connectvity. Which of the following is MOST likely the problem?

  A. Cross-talk
  B. Split cables
  C. Distance
  D. EMI
  B. Split cables

• Question 757:

  Two duplicate pieces of equipment can be used in conjuncton for which of the following purposes? (Select TWO).

  A. High availability
  B. Fault tolerance
  C. Reduce latency
  D. Wi-MAX
  E. CARP
  A. High availability
  B. Fault tolerance

• Question 758:

  A technician has narrowed down the cause of a problem to two possible sources. Which of the following should the technician do NEXT?

  A. Implement a soluton for both causes to be sure all possibilites are covered.
  B. Choose the more likely cause and test to confrm.
  C. Establish a plan of acton for each.
  D. Choose the less likely cause and test to eliminate.
  B. Choose the more likely cause and test to confrm.

• Question 759:

  Multprotocol Label Switching (MPLS) operates at which of the following layers of the OSI model? (Select TWO).

  A. Layer 1
  B. Layer 2
  C. Layer 3
  D. Layer 4
  E. Layer 5
  B. Layer 2
  C. Layer 3

• Question 760:

  A technician needs to setup an Internet connecton for a small ofce. There are fve users that need the ability to use email and do online research. The ofce manager wants the connecton to be always on and be as inexpensive as possible. Which of the following would BEST ft the needs of this ofce?

  A. Broadband
  B. T1
  C. Frame Relay
  D. Satellite
  A. Broadband