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One of the problems with microwave transmission, such as using satellites, is its susceptibility to interference by _______.
Anonymous Quiz
2%
Power outages
4%
Electromagnetic fields
54%
Weather conditions
0%
Radioactive materials
40%
All
Which type of network card is attached to the motherboard and connected to an RJ45 cable?
Anonymous Quiz
5%
External NIC
2%
Wireless NIC
90%
Internal NIC
2%
Ethernet NIC
Which wireless transmission media requires line-of-sight transmission?
Anonymous Quiz
30%
Infrared waves
50%
Microwaves
18%
Radio waves
3%
X-rays
Which component of a satellite communication system amplifies and broadcasts microwave signals?
Anonymous Quiz
20%
Earth station
34%
Transponder
8%
Modem
38%
Communications satellite
Lec 7
has responsibility of transferring datagram from one node to physically adjacent node over a link
Anonymous Quiz
1%
Application Layer
9%
Transport Layer
82%
Data Link Layer
8%
Physical Layer
Link transmission rate= link capacity = link bandwidth
Anonymous Quiz
84%
T
16%
F
Which of the following is NOT considered a node in the context of the link layer?
Anonymous Quiz
7%
Hosts
9%
Routers
8%
Switches
57%
Data centers
19%
All Above
Broadcast channels: connect multiple hosts in and hybrid fiber-coaxial cable (HFC)) access networks.
Anonymous Quiz
70%
T
30%
F
IP addresses in frame headers identify source, destination
Anonymous Quiz
54%
T
46%
F
Which service provided by the link-layer protocol involves encapsulating datagrams into frames and adding header fields?
Anonymous Quiz
82%
Framing
7%
Link access
5%
Reliable delivery
5%
Flow control
What identifies the source and destination on a frame header in the link-layer protocol?
Anonymous Quiz
7%
IP
85%
MAC
3%
Port numbers
5%
Transport layer protocols
Which service guarantees the error-free movement of each datagram across the link using acknowledgments and retransmissions?
Anonymous Quiz
4%
Framing
9%
Link access
32%
Reliable delivery
56%
Error detection
What type of links typically provide the reliable delivery service in the link-layer protocol?
Anonymous Quiz
45%
Wired links
32%
Wireless links
17%
Fiber optic links
6%
Coaxial links