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Q:

Convert 10100010111101011001110110001011 2 to dotted decimal.

Answer

Convert to dotted hexadecimal first, and then convert each hexadecimal number pair to decimal.

A2.F5.9D.8B then 162.245.157.139

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Subject: CCNP

Q:

Convert FACE1234 16 to dotted decimal.

Answer

Answer: FA 16 = 250 10, CE 16 = 206 10, 12 16 = 18 10, and 34 16 = 52 10

FACE1234 16 = 250.206.18.52 dotted decimal

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Subject: CCNP

Q:

Why are multiple protocols used, such as a package, addressing, delivery, and transportation, instead of using one protocol defining everything?

Answer

Using multiple protocols is modular and allows changes to one protocol without affecting the others. For example, if the addressing protocol is dependent on the delivery protocol, changes to one would imply changes need to be made to the other.

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Subject: CCNP

Q:

What is the purpose of the DHCP server?

A - to provide storage for email
B - to translate URLs to IP addresses
C - to translate IPv4 addresses to MAC addresses
D - to provide an IP configuration information to hosts

Answer

Answer : D


Explanation:The main purpose of the DHCP server is to provide IP configuration parameters to hosts such as the default gateway, domain name, Domain Name System – DNS .

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Subject: CCNA

Q:

All hosts in the networks have been operational for several hours when the DHCP server goes down. What happens to the hosts that have obtained service from the DHCP server?

A. The hosts will not be able to communicate with any other hosts.
B. The hosts will continue to communicate normally for a period of time.
C. The hosts will be able to communicate with hosts outsides their own network
D. The hosts will only be able to communicate with other hosts by IP address not by host name

Answer

Answer : B


 


Explanation : Dynamic Host configuration Protocol – DHCP – assigns an IP address to a client for a limited period of time, this address is then saved in a database. When the DHCP Server goes down, that client can still use the allocated IP address for a limited period of time.

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Subject: CCNA

Q:

Your company wants to reconfigure a Catalyst 2950. Which actions must be taken to erase the old configuration?(Choose three)

A. Erase flash
B. Restart the switch
C. Delete the VLAN database
D. Erase the startup configuration

Answer

Answer: B  C  D

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Subject: CCNA

Q:

An administrator issues the command "ping 127.0.0.1" from the command line prompt on a PC host named PC1. If an ICMP reply is received, what does this confirm?

A. The PC host PC1 has connectivity with a local host
B. The PC host PC1 has connectivity with a Layer 3 device
C. The PC host PC1 has a default gateway correctly configured
D. The PC host PC1 has connectivity up to Layer 5 of the OSI model
E. The PC host PC1 has the TCP/IP protocol stack correctly installed

Answer

Answer : E

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Subject: CCNA

Q:

Users on the 192.168.10.0/24 network must access files located on the Server 1. What route could be configured on router R1 for file requests to reach the server?

A. IP route 0.0.0.0 0.0.0.0 s0/0/0
B. IP route 0.0.0.0 0.0.0.0 209.165.200.226
C. IP route 209.165.200.0 255.255.255.0 192.168.10.250
D. IP route 192.168.10.0 255.255.255.0 209.165.100.250

Answer

Answer : A

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Subject: CCNA