Semester 1 : Chapter 6

Question 1:
Convert the decimal number 43 to Hex.

A.   2B
B.   1F
C.   EF
D.   1A

Question 2:
Convert the decimal number 2989 to Hex.
A.   FDD1
B.   BAD
C.   ED
D.   CAD

Question 3:
Why did the IEEE create LLC?
A.   to allow part of the datalink layer to be independent of existing technologies
B.   to replace an older IBM protocol
C.   to create a protocol that would not be controlled by the US government
D.   to allow for data encryption before transmission

Question 4:
What is the hex value of the binary number 11100010?
A.   D2
B.   E2
C.   G2
D.   H20

Question 5:
What is the decimal value of the hex number ABE?
A.   2750
B.   5027
C.   2570
D.   7250

Question 6:
Define media access control.
A.   Protocols that determine which computer on a shared-medium environment are allowed to act as management stations.
B.   Protocols that determine which computer on a shared-medium environment are allowed to receive management frames.
C.   Protocols that determine which computer on a shared-medium environment are allowed to receive broadcasts.
D.   Protocols that determine which computer on a shared-medium environment are allowed to transmit data.

Question 7:
What is 16 raised to the first power (16 1 )?
A.   decimal 1
B.   decimal 16
C.   hex FF
D.   hex 16

Question 8:
What is a function of a MAC address?
A.   provides a unique identity
B.   provides a hierarchical addressing scheme
C.   provides a collision free domain
D.   provides increased network stability

Question 9:
Which organization's LAN standards include 802.3 and 802.5?
A.   EIA.
B.   IEEE.
C.   TIA.
D.   UL.

Question 10:
What section of the frame contains the information you want to send?
A.   data field
B.   FCS
C.   address field
D.   stop frame field

Question 11:
Which best describes a MAC address?
A.   a 48 bit address consisting of 24 bits for OUI and 24 bits for vendor
B.   a 32-bit address that consists of a network number, an optional subnetwork number, and a host number
C.   a 48 bit address that is administered by InterNIC
D.   a set of four numbers that use a hierarchical addressing scheme

Question 12:
Which OSI layer handles MAC addresses?
A.   4
B.   3
C.   2
D.   1

Question 13:
What is true of a deterministic MAC protocol?
A.   It defines collisions and specifies what to do about them.
B.   It allows the hub to determine the number of users active at any one time.
C.   It allows hosts to "take their turn" for sending data.
D.   It allows the use of a "talking stick" by network administrators to control the media access of any users considered "troublemakers".

Question 14:
What section of the frame handles error checking?
A.   data field
B.   FCS
C.   address field
D.   stop frame field

Question 15:
How did the IEEE standard differ from the OSI model?
A.   They defined their own layer 1 protocol.
B.   They split layer 2 into two sublayers.
C.   They split layer 3 into two protocols.
D.   They combined layers 1 and 2.
Question 16:
Which protocol uses deterministic media access?
A.   Ethernet
B.   Token Ring
C.   ATM
D.   Frame Relay

 Question 17:
What are the sections of a frame called?
A.   fields
B.   sublayers
C.   limiters
D.   FPS

 Question 18:
Hexadecimal is used to represent what kind of addresses?
A.   IP
B.   MAC
C.   Octal
D.   Digital

 Question 19:
What is the term used to describe the result of the layer 2 encapsulation process?
A.   frame
B.   segment
C.   packet
D.   data

 Question 20:
What section of the frame contains the source and destination information?
A.   data field
B.   FCS
C.   address field
D.   stop frame field

 Question 21:
What is the Organizational Unique Identifier (OUI)?
A.   all hex digits of a MAC address
B.   the 1st 6 hex digits of a MAC address
C.   the last 6 hex digits of a MAC address
D.   the prefix to all network device model numbers