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Q 1/50
Score 0
Which type of data transmission allows communication in two directions simultaneously?
50
Multiplex
Simplex
Full-duplex
Half-duplex
Q 2/50
Score 0
What is the primary advantage of using twisted pair wires in network connections?
50
Immunity to interference
High capacity
Long-distance capability
Low installation cost
50 questions
Q.
Which type of data transmission allows communication in two directions simultaneously?
1
50 sec
Q.
What is the primary advantage of using twisted pair wires in network connections?
2
50 sec
Q.
Which type of coaxial cable has a greater span length?
3
50 sec
Q.
What is the main disadvantage of microwave systems in data transmission?
4
50 sec
Q.
Which wireless transmission media has a delay involved in the reception of signals?
5
50 sec
Q.
What is the function of a transceiver in a Very Small Aperture Terminal (VSAT)?
6
50 sec
Q.
You are setting up a network system in a 'remote area' that frequently experiences 'electromagnetic interference'. Which transmission medium should you avoid to minimize this issue?
7
60 sec
Q.
While configuring a walkie-talkie communication system, you notice that only one person can speak at a time. What type of data transmission is this?
8
60 sec
Q.
A telecommunications company wants to provide high-speed internet services using 'telephone lines'. Which of the following technologies would be the most suitable for this purpose?
9
60 sec
Q.
You are tasked with selecting a transmission medium for a new high-security data center that requires long-distance communication without interference. Which medium would be the best option?
10
60 sec
Q.
If your network requires full-duplex communication, meaning both parties can transmit data simultaneously, which of the following is an example of such a system?
11
60 sec
Q.
In designing a communication system for a TV broadcasting service, which transmission medium is most appropriate given its ability to cover a large geographical area at a low cost per user?
12
60 sec
Q.
A company needs a wireless system that supports data, voice, and video communication but does not involve broadcast television. Which technology should they use?
13
60 sec
Q.
In the context of RS-232, what is the purpose of the start and stop bits in asynchronous communication?
14
50 sec
Q.
Which transmission method involves sending several bits of data simultaneously over different channels?
15
50 sec
Q.
What is the main advantage of parallel transmission over serial transmission?
16
50 sec
Q.
In RS-232, what does the baud rate measure?
17
50 sec
Q.
Which organization produced the RS-232 standard for character transfer across copper wire?
18
50 sec
Q.
What is the main purpose of the stop bit in asynchronous communication?
19
50 sec
Q.
RS-232 encoding is ineffective over long distances primarily due to:
20
50 sec
Q.
The purpose of modulation when encoding data for transmission is to:
21
50 sec
Q.
The role of a modem in data transmission over long lines is to:
22
50 sec
Q.
In amplitude modulation, how is data encoded onto the carrier?
23
50 sec
Q.
Which method achieves multiplexing by using different carrier frequencies?
24
50 sec
Q.
In a scenario where channels compete for free slot space, which multiplexing technique is likely being used?
25
50 sec
Q.
What is the purpose of dividing data into packets in a computer network?
26
50 sec
Q.
Which technique is used to deal with reserved bytes like SOH and EOT in a packet's data part?
27
50 sec
Q.
What is the purpose of using parity checking in error detection?
28
50 sec
Q.
Which error detection scheme is considered a weak form of channel coding that can only detect errors but not correct them?
29
50 sec
Q.
What is the purpose of the Frame Check Sequence (FCS) in CRC?
30
50 sec
Q.
In Hamming codes, which bits are considered check bits, and what is their role in error detection?
31
50 sec
Q.
Which LAN topology is more robust and easier to manage, but requires more cables?
32
50 sec
Q.
In a bus topology, what happens if the shared cable is cut?
33
50 sec
Q.
What technology uses counter-rotating rings and fiber optics to provide redundancy in case of a network failure?
34
50 sec
Q.
Which LAN technology uses Carrier Sense with Multiple Access (CSMA) for coordinating transmission among multiple computers?
35
50 sec
Q.
In a ring topology, how many link failures does it take to partition the ring?
36
50 sec
Q.
What is the primary advantage of using a star topology in LAN networks?
37
50 sec
Q.
How does most LAN technologies identify the destination computer?
38
50 sec
Q.
How does the network identify the packet content?
39
50 sec
Q.
What is a network analyzer?
40
50 sec
Q.
What is the purpose of hardware addressing in LAN technologies?
41
50 sec
Q.
How is the destination address used in LAN hardware to filter incoming frames?
42
50 sec
Q.
What does a network analyzer do?
43
50 sec
Q.
A network administrator is tasked with configuring a LAN. She assigns a unique and user's preference hardware address to each computer on the network. Which method of hardware addressing is she using?
44
60 sec
Q.
A company’s network uses Ethernet. The administrator notices that data is being sent but is only intended for one computer, though other computers are receiving it. Which addressing method is failing?
45
60 sec
Q.
You are troubleshooting a shared LAN network where several computers are receiving all incoming frames, but only one computer should be receiving them. What is the likely issue?
46
60 sec
Q.
A network analyzer has been deployed in a network for monitoring traffic. What specific function can the analyzer perform to focus on frames related to a specific device?
47
60 sec
Q.
During a network transmission, a frame with an all-ones destination address is sent. What is the purpose of this frame?
48
60 sec
Q.
On an Ethernet network, a frame type value is used to inform the recipient about the data content. What is this value typically referred to as?
49
60 sec
Q.
You are setting up a network where devices use different data formats, and the frame type field is absent. How do devices agree on the data format?
