PROBLEM 2 - Networking Fundamentals (20 points) (5 pts each) a) Switches divide

Question

PROBLEM 2 - Networking Fundamentals (20 points)
(5 pts each)

a) Switches divide ________ domains while Routers divide _________ domains.
A) Broadcast / Collision
B) Collision / Broadcast
C) Layer 2 / Layer 3
D) Active Directory / Windows

b) Which type of addressing does a host use when it is trying to find an unknown MAC Address given a known IP Address?
A) Unicast
B) Multicast
C) Broadcast
D) CSMA/CA

c) What destination MAC Address would be added to a packet on the route to a remote computer?
A) MAC Address of the far side of the default gateway
B) MAC Address of your computer
C) Exterior MAC Address of the remote Server
D) Interior MAC address of default gateway

d) You have two network segments separated by a router. A host on one segment does an ARP request for a certain IP Address. Would that request cross the router?
A) Yes, because routers forward broadcasts
B) Yes, if there is a hub between segments
C) Only if you have a Caching Engine
D) No, routers do not forward broadcasts

Explanation / Answer

Hello there,

a. Answer is B i.e. switches divides collision domain while router I.e. layer 3 divides broadcast domain., Layer 3 drops broadcast packet .

b. Answer is C I.e. broadcast , for this ARP protocol uses broadcast request to get Mac address of particular by its ip address.

c. Answer is C I.e. Exterior Mac address of the remote server.

d. Answer is D I.e. No, routers do not forward broadcast because if so, in case of ARP every possible host will get the arp packet which is broadcasted through router.

Hope,you got the answers,feel free to ask.any doubt.

Thank you

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