JK0-023 Online Practice Questions and Answers

Which of the following allows for groups of ports on the same switch to operate as a part of diferent segmented networks?

A. RIP

B. STP

C. VLAN

D. MTU

Which TCP/IP model layer does the OSI model layer named 'session' respond to?

A. Applicaton

B. Presentaton

C. Internet

D. Transport

Sandyf a network administratorf wants to automatcally assign 168.254.1.0/24 addresses to computers on the network. Which of the following will need to be confgured?

A. DHCP addressing

B. Private addressing

C. DNS addressing

D. APIPA addressing

Joef a technicianf is troubleshootng connectvity issues with a new data circuit. Joe verifes that the ST fber jumper is good. Which of the following is the problem?

A. TX/RX reversed

B. Interference

C. Cable length

D. Bad connectors

Which of the following regulates the amount of network trafc a single node receives in a server cluster?

A. Load balancer

B. Proxy server

C. Content flter

D. Quality of service

Which of the following does SNMPv3 BEST provide over previous versions?

A. Increased security

B. Simplifed management

C. More data types

D. Higher productvity

Which of the following ports does IMAP use by default?

A. 110

B. 123

C. 143

D. 443

Which of the following VPN technologies uses IKE and ISAKMP for key exchange?

A. SSL

B. IPSec

C. L2TP

D. PPTP

In a SOHO environmentf placing a VoIP unit on the outside edge of a LAN router enhances which of the following network optmiiaton methods?

A. Load balancing

B. Quality of service

C. Fault tolerance

D. Trafc shaping

Which of the following appliances creates and manages a large number of secure remote-access sessionsf and also provides a high availability soluton?

A. Media converter

B. Proxy server

C. VPN concentrator

D. Load balancer