Derived Channel
1.54K subscribers
252 photos
4 videos
374 files
68 links
القناة الأساسية
@stepbystep001

ومـما زادني شـرفـاً وتـيــهـاً
وكدت بأخمصي أطأ الـثريا
دخولي تحت قولك يا عبادي
وأن صـيَّرت أحمد لي نـبيـا
Download Telegram
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
Which service in the link-layer protocol involves coordinating frame transmissions on a shared broadcast link?
Anonymous Quiz
26%
Framing
50%
Link access
16%
Reliable delivery
9%
Error correction
What determines exactly where errors have occurred in a frame and corrects those errors in the link layer?
Anonymous Quiz
33%
Error detection
59%
Error correction
6%
Flow control
3%
Reliable delivery
In full-duplex communication, nodes at both ends of the link can transmit simultaneously.
Anonymous Quiz
88%
T
12%
F
Which component is responsible for implementing most of the link layer in hardware?
Anonymous Quiz
57%
Network adapter
17%
CPU
3%
Memory
23%
Host bus
Which side of the communication link performs error detection based on the error checking bits added by the sending side?
Anonymous Quiz
23%
Sending side
59%
Receiving side
18%
Both
Which layer is responsible for reliable data transfer and flow control in the link-layer protocol?
Anonymous Quiz
11%
Physical layer
58%
Link layer
9%
Network layer
22%
Transport layer
Which error detection technique can detect and correct single-bit errors?
Anonymous Quiz
8%
Checksumming methods
76%
Parity checks
14%
Cyclic redundancy checks
3%
Hamming codes
1011 XOR 0101 =
Anonymous Quiz
4%
0101
79%
1110
8%
1010
10%
0001
Parity Check technique is suitable for detecting ___________ number of bit error
Anonymous Quiz
59%
odd
41%
Even
Each of the CRC standards can detect burst errors of ______ r + 1 bits.
Anonymous Quiz
43%
equal
43%
fewer than
14%
greater than
.................... such as that found between two routers connected by a long-distance link, or between a user's office computer and the nearby Ethernet switch.
Anonymous Quiz
25%
MAC
40%
IP
30%
PPP
5%
GG
if number of bits in the packet = 15 , transmission rate = 3 Then Packet transmission delay =
Anonymous Quiz
79%
5
14%
45
2%
12
5%
18
Bidirectional multiple frequency channels on cable.
Anonymous Quiz
82%
T
18%
F
Coaxial cable used
Anonymous Quiz
75%
FDM
25%
TDM
has a single light path and is used commonly for high-speed :. transmission over long distances
Anonymous Quiz
62%
Single mode
26%
Multi-mode
12%
Both