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Answer: A

Identify the default serial encapsulation? A.) ISDN B.) HDLC C.) SDLC D.) Frame Relay E.) PPP

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Which device listed below provides clocking for the line? A.) DCE B.) CPE C.) CO D.) DTE E.) Demarc

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Why we use debug command?

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Which protocol gets a hardware address from a known IP address? A.) RARP B.) TCP C.) IP D.) BootP E.) ARP F.) ICMP

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Identify the purpose of the Ping command? A.) Share routing information with a neighbor router B.) Transmit user data when buffers are full C.) Test connectivity at layer 3 D.) Test entire protocol stack

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Explain the terms unicast, multicast, broadcast and multicast.

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Describe ICMP messages

4 Answers   HCL,

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what is the purpose of multicast packets?

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Explain types of communication in ipv4?

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Select the most correct statement regarding client port address assignment. The client port always matches the destination port. To access a web page the client uses the source port of 80 and the destination port is dynamically selected. When a client requests a web page the destination port is 80 by default and the source port for the client is dynamically selected. The client source port is 1024 to get web pages and 1055 when retrieving ftp files.

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IP extended access lists use which of the following as a basis for permitting or denying packets? A.) destination address B.) all of the above C.) protocol D.) source address E.) port

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What should be the first command to create an access-list that prevents all users on subnetwork 10.10.128.0, using subnet mask 255.255.192.0, from being able to telnet anywhere? A.) access-list 101 deny tcp 10.10.128.0 0.0.63.255 any eq telnet B.) access-list 101 deny tcp 10.10.128.0 255.255.0.0 any eq telnet C.) access-list 101 deny tcp 10.10.128.0 255.255.192.0 any eq telnet D.) access-list 101 deny tcp 10.10.128.0 0.0.192.255 any eq telnet E.) access-list 101 deny tcp 10.10.128.0 0.0.128.255 any eq telnet F.) access-list 101 deny tcp 10.10.128.0 0.0.127.255 any eq telnet

1 Answers  

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