JK0-023 Online Practice Questions and Answers

Which of the following TCP/IP model layers combines four OSI model layers?

A. Applicaton Layer

B. Internet Layer

C. Transport Layer

D. Network Interface Layer

Which of the following ports would have to be allowed through a frewall to allow SNMP trafc to pass on its default port? (Select TWO).

A. 22

B. 23

C. 143

D. 161

E. 162

F. 8080

Karenf a network administratorf is seeing workstatons in building C authentcate to the building A wireless access point. Which of the following would resolve this issue?

A. Change the security method

B. Reduce the transmission power

C. Change the SSID

D. Change the frequency

Which of the following network topologies describes a network where each node is connected to every other node?

A. Bus

B. Star

C. Mesh

D. Ring

Which of the following defnes a rack located in an ofce building between the main rack and other ofce equipment?

A. DSU

B. MDF

C. CSU

D. IDF

Which of the following can operate on BOTH the 2.4GHi and 5.8GHi frequencies?

A. 802.11a

B. 802.11b

C. 802.11g

D. 802.11n

The network technician is troubleshootng a connectvity issue on a CAT5 cable with a wire map and notces that only pins 1f 3f and 6 are mapping correctly. Which of the following pins are open and keeping trafc from fowing correctly?

A. 2

B. 4

C. 5

D. 8

Karenf an administratorf wants to verify which protocols are in use on the network. Which of the following tools should she use?

A. Intrusion detecton sofware

B. PoE

C. Packet snifer

D. Intrusion preventon sofware

Network upgrades have been completed and the WINS server was shutdown. It was decided that NetBIOS network trafc will no longer be permited. Which of the following will accomplish this objectve?

A. Content fltering

B. Port fltering

C. MAC fltering

D. IP fltering

Which of the following devices can be used to ofoad outbound web server SSL encrypton overhead?

A. NIPS

B. Proxy server

C. Content flter

D. VPN concentrator