JK0-023 Online Practice Questions and Answers

Which of the following layers of the OSI model maps to the Network Interface layer of the TCP stack? (Select TWO).

A. Physical

B. Session

C. Data Link

D. Network

E. Transport

A customer wants to keep cost to a minimum and has only ordered a single statc IP address from the ISP. Which of the following must be confgured on the router to allow for all the computers to share the same public IP address?

A. VLANs

B. PoE

C. PAT

D. VPN

Which of the following uses a ring topology?

A. DSL

B. Ethernet

C. DOCSIS

D. SONET

Which of the following would be used to connect a singlemode fber cable to a CAT6 connecton?

A. Media converter

B. T1-crossover

C. Multmode cable

D. Coaxial

Which of the following commands can Lisaf a technicianf use on a server to display the default router setng?

A. ping

B. nslookup

C. route

D. arp

An administrator has set up several IPSec and SSL tunnels to terminate on a single device. Which of the following has the administrator deployed?

A. Proxy Server

B. Load Balancer

C. VPN Concentrator

D. Web-Applicaton Firewall

An administrator confguring remote access opens ports 500/UDP and 10000/UDP on the frewall. Which of the following services are MOST likely being allowed? (Select TWO).

A. SSL

B. IPSec

C. Kerberos

D. RDP

E. L2TP

F. PPTP

Which of the following cables would BEST be used to extend a network through an 80 feet (262 meters) machine shop that has many high voltage machines and generators running?

A. CAT5

B. CAT6

C. Coaxial

D. Fiber

Which of the following wireless standards is capable of ONLY operatng on 5.8GHi?

A. 802.11a

B. 802.11b

C. 802.11g

D. 802.11n

A CAT5e network cable run needs to be installed over fuorescent lightng arrays in an ofce building. Which of the following cable types would be BEST suited for such an installaton?

A. UTP

B. Plenum

C. Coaxial

D. STP