Here are the answers to Saturday's Cisco and CompTIA questions!

CCNA Certification Exam:

What command will show you immediately whether you have forgotten to configure an ISDN switch type?

A. show isdn history

B. show isdn status

C. show isdn switch-type

D. show dialer

Answer: The command "show isdn status" will display a message at the very top of the output if a switchtype has not been defined.


A+ Exam / Network+ Certification Exam:

In the MAC address 11-22-33-44-55-66, what part of the address identifies the vendor?

Answer: The Organizationally Unique Identifier (OUI) identifies the vendor, and that's the first half of the MAC address - in this case, 11-22-33.


CCNP Certification / BSCI Exam:

Short answer: What multicast address range is known as the local network control block?

Answer: The 224.0.0.0 - 224.0.0.255 range (also expressed as 224.0.0.0 /24) is reserved for network protocols. Packets in this range will not be forwarded by routers, so these packets cannot leave the local segment. This block of addresses is the local network control block.


CCNP Certification / BCMSN Exam:

Which of the following represents multiple physical servers as a single logical server?

A. HSRP

B. SLB

C. VRRP

D. GLBP

Answer: B. Server Load Balancing does this.


See you later today with more Cisco certification questions, CompTIA practice exam questions, and more!

To your success,

Chris Bryant
CCIE #12933
http://www.thebryantadvantage.com