CH 7 Flashcards
1
Q
The addition of information to a PDU as it’s passed from one layer to the next is called which of the following? a. PDI transforming b. Encapsulation c. Deencapsulation d. Converting
A
B
2
Q
Layers acting as though they communicate directly with each other across the network are called which of the following? a. Partners b. Synchronous c. Interchangeable d. Peers
A
D
3
Q
Place the following letters in the correct order to represent the OSI model from Layer 7 to Layer 1: a. Presentation b. Data Link c. Session d. Physical e. Application f. Transport g. Network
A
E, A, C, F, G, B, D
4
Q
Which OSI layer creates and
processes frames?
A
Data Link
5
Q
Which OSI layer handles flow control, data segmentation, and reliability? a. Application b. Physical c. Transport d. Data Link
A
C
6
Q
Which OSI layer governs how a NIC is
attached to the network medium?
A
Physical
7
Q
Which OSI layer determines the route
a packet takes from sender to receiver?
A
C
8
Q
Which OSI layer is responsible for setting up, maintaining, and ending ongoing information exchanges across a network? a. 6 b. 3 c. 2 d. 5
A
D
9
Q
When and how many times is a CRC calculated? a. Once, before transmission b. Once, after receipt c. Twice, once before transmission and again on receipt d. At the source and destination and at each intermediary device
A
D
10
Q
Which term refers to stripping header information as a PDU is passed from one layer to a higher layer? a. Deencapsulation b. Encapsulation c. PDU stripping d. Packetization
A
A
11
Q
Which IEEE 802 standard applies to Ethernet? a. 802.2 b. 802.3 c. 802.4 d. 802.5 e. 802.11
A
B
12
Q
What’s the name of the PDU at the Transport layer? a. Bit b. Packet c. Segment d. Data
A
C
13
Q
Which of the following problems can occur at the Physical layer? a. NIC driver problems b. Incorrect IP addresses c. Signal errors caused by noise
A
C
