CISCO Certification Questions

Q:

There are three possible routes for a router to reach a destination network. The first route is from OSPF with a metric of 782. The second route is from RIPv2 with a metric of 4. The third is from EIGRP with a composite metric of 20514560. Which route will be installed by the router in its routing table?

A) RIPv2 B) EIGRP
C) OSPF D) All three
 
Answer & Explanation Answer: B) EIGRP

Explanation:

Only the EIGRP routes will be placed in the routing table because it has the lowest administrative distance (AD), and that is always used before metrics.

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Q:

Suppose you have a customer who has a central HQ and six branch offices. The customer anticipates adding six more branches in the near future. It  whishes to implement  a WAN technology that will allow the branches to economically connect to HQ and you have no free ports on the HQ router. which of the following would you recommend?

A) PPP B) HDLC
C) Frame Relay D) ISDN
 
Answer & Explanation Answer: C) Frame Relay

Explanation:

The key is "there are no free ports" on your router. Only Frame Relay can provide a connection to multiple locations with one interface, and in an economical manner no less.

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Q:

A static map to the S-AMER location is required. Which command should be used to create this map?

A. frame-relay map ip 172.16.1.3 704 broadcast
B. frame-relay map ip 172.16.1.3 196 broadcast
C. frame-relay map ip 172.16.1.3 702 broadcast
D. frame-relay map ip 172.16.1.3 344 broadcast

Answer

Answer: B

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Q:

Which encryption type does WPA2 use?

A) AES - CCMP B) PPK via IV
C) PSK D) TKIP/MIC
 
Answer & Explanation Answer: A) AES - CCMP

Explanation:

WPA2 uses AES-CCMP for encryption. WPA uses TKIP

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Q:

What switch must be added to the ipconfig command on a PC to verify DNS configuration?

A) /dns B) -dns
C) /all D) -all
 
Answer & Explanation Answer: C) /all

Explanation:

The /all switch must be added to the ipconfig command on a PC to verify DNS configuration.

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Q:

What is the bit length and expression form of a MAC address?

Answer

48 bits (6 bytes) expressed as a hexadecimal number.

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Q:

Which two descriptions are correct about characteristics of IPv6 unicast addressing? (Choose two)

A. Global addresses start with 2000::/3.
B. Link-local addresses start with FF00::/10.
C. Link-local addresses start with FE00:/12.
D. There is only one loopback address and it is ::1.

Answer

Answer : A , D


Explanation:


An IPv6 Unicast address identifies a single network interface. The Internet Protocol delivers packets sent to a unicast address to that specific interface.

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Q:

You need to gather the IP address of a remote switch that is located in Hawaii. What can you do to find the address?

A) Issue the show ip route command on the router connected to the switch B) Issue the show cdp neighbor command on the router connected to the switch
C) Issue the show ip arp command on the router connected to the switch D) Issue the show cdp neighbors detail command on the router connected to the switch
 
Answer & Explanation Answer: D) Issue the show cdp neighbors detail command on the router connected to the switch

Explanation:

Although option A is certainly the "best" answer, unfortunately option E will work just fine and your boss would probably prefer you to use the show cdp neighbors detail command.

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