PART 6: DATA LINK LAYER AND PHYSICAL LAYER
Information Technology (IT)
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45 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A frame is the data unit at which layer?
Physical
Network
Data Link
Transport
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Error control and flow control are performed by:
Network layer
Data Link layer
Physical layer
Session layer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which protocol is used to convert an IP address to a physical (MAC) address?
ARP
RARP
ICMP
TCP
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The process for a host to automatically obtain an IP address from a server when connecting to a network is:
The host broadcasts a "DHCP discover" message → The DHCP server responds with "DHCP offer" → The host sends a "DHCP request" → The DHCP server sends "DHCP ack."
The host sends a "DHCP request" → The DHCP server sends "DHCP ack" → The host broadcasts a "DHCP discover" message → The DHCP server responds with "DHCP offer."
The host broadcasts a "DHCP discover" → The DHCP server sends "DHCP ack" → The host sends a "DHCP request" → The DHCP server responds with "DHCP offer."
The host sends a "DHCP request" → The DHCP server responds with "DHCP offer" → The host broadcasts a "DHCP discover" → The DHCP server sends "DHCP ack."
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CSMA/CD is a random access method used for networks with which topology?
Star (STAR)
Bus
Ring
Hybrid BUS-STAR
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CSMA/CD stands for:
Collision Sense Multiple Access/Collision Detection
Carrier Sense Multiple Access/Collision Deterrence
Carrier Sense Multiple Access/Collision Detection
Collision Sense Multiple Access/Carrier Detection
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The first three bytes of a MAC address provide information about:
The manufacturer of the network card (NIC)
The geographical region of the network card
The version number of the network card
None of the above
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