Ensurepass

QUESTION 251

Which of the following virtual components maintains a MAC-to-port forwarding table?

 

A.      Virtual PBX

B.      Virtual desktop

C.      Virtual switch

D.      Virtual server

 

Correct Answer: C

 

 

QUESTION 252

In which of the following layers of the OSI model does the TCP protocol operate?

 

A.      Session

B.      Network

C.      Data link

D.      Transport

 

Correct Answer: D

 

 

QUESTION 253

Which of the following DNS records would be queried to locate a company’s mail server?

 

A.      A

B.      MX

C.      AAAA

D.      CNAME

 

Correct Answer: B

 

 

QUESTION 254

Which of the following improves wireless performance only allowing only one wireless transmission on the network at a time?

 

A.      CSMA/CA

B.      CSMA/CD

C.      Wireless encryption

D.      Wireless bonding

 

Correct Answer: A

 

 

 

 

QUESTION 255

Creating a uniform user environment throughout the network can BEST be achieved by using which of the following?

 

A.      Honeypots

B.      Virtual switches

C.      Virtual PBX

D.      Virtual desktops

 

Correct Answer: D

 

 

QUESTION 256

After a baseline check was completed it was noted that the network was working far below the level of the last baseline. Which of the following should Joe, the technician, do NEXT to determine where the network problems are occurring?

 

A.      Upgrade the firmware on all routers and switches

B.      Reboot the entire network one device at a time

C.      Conduct a network traffic analysis

D.      Rerun the baseline to ensure the results were correct

 

Correct Answer: C

 

 

QUESTION 257

The location where the Telco wiring stops and the clients wiring starts is known as the:

 

A.      MDF

B.      demarc

C.      IDF

D.      66 block

 

Correct Answer: B

 

 

QUESTION 258

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

 

Correct Answer: AC

 

 

QUESTION 259

Which of the following would help a new administrator quickly determine if a network had a VLAN for its publicly accessible servers?

 

A.      Baselines

B.      Regulations

C.      Logical network diagrams

D.      Wiring schematics

 

Correct Answer: C

 

 

QUESTION 260

Keyword and blacklist filtering would be handled at which level in a network?

 

A.      Layer 2 managed switch

B.      DHCP server

C.      Hardware firewall

D.      Bridge

 

Correct Answer: C

 

 

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