questions....

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number

Thread Starter
Joined
Oct 15, 2003
Messages
1,060
hi,

I'm trying to do a test and I have a few questions which are making me crazy, does anyone know how to answer?

-When sending data to a host on a different network, which address does the source host encapsulate in the IP header?
IP address of the router
MAC address of the router
MAC address of the destination device
IP address of the destination host


-How many bits are in the network and subnet portion of a class B network with a subnet mask of 255.255.240.0?


-Which of the following are Layer 2 functions?
Communicating with the upper-level layers through LLC
Communicating with the upper-level layers through MAC
Uses a hierarchical addressing convention
Uses LLC to select one computer to transmit form a group of computers



When is ARP used?
The destination IP address is unknown.
The destination MAC address is unknown.
The source IP address is unknown.
The source MAC address is unknown.



-What do switches use to make switching decisions?
IP addresses
MAC addresses
Layer 1 addresses
Layer 3 addresses


-What is a type of dialogue control that the session layer may use?
One-way alternate communication
One-way simultaneous conversation
Two-way alternate communication
Two-way asynchronous conversation



-What is a reason to use data encryption?
To compress sensitive data.
To protect sensitive information during transmission.
To determine the order that sensitive data packets are sent.
To determine the frequency with which sensitive data is transmitted.



-Which simple protocol exchanges datagrams, without acknowledgements or guaranteed delivery?
TCP
ASP
TCP/IP
UDP



-Which network layer protocol provides connectionless, best-effort delivery routing of datagrams?
ARP
ICMP
IP
RARP
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,429
Well, it's your test, not ours. While I know the answers, how would that help you learn them? :rolleyes:
 
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