Question 1 of 25
Hints left: 3
Q1
Avalanche photodiode receivers can detect hits of transmitted data by receiving
Q2
Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.
Q3
If you get both local and remote echoes, every character you type will appear on the screen
Q4
The synchronous modems are more costly than the asynchronous modems because
Q5
Which of the following technique is used for fragment?
Q6
A remote batch-processing operation in which data is solely input to a central computer would require a:
Q7
Which of the following is not a disadvantage of wireless LAN?
Q8
Which of the following is used for modulation and demodulation?
Q10
What can greatly reduce TCP/IP configuration problems?
Q11
Which of the following TCP/IP protocol allows an application program on one machine to send a datagram to an application program on another machine?
Q12
The slowest transmission speeds are those of
Q14
What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?
Q15
The Internet Control Message Protocol (ICMP)
Q16
When you ping the loopback address, a packet is sent where?
Q17
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver
Q18
In CRC there is no error if the remainder at the receiver is _____.
Q19
Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
Q20
A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate?
Q21
Satellite-Switched Time-Division Multiple Access (SS/TDMA) is
Q22
How many hosts are attached to each of the local area networks at your site?
Q23
Which of the following device is used to connect two systems, especially if the systems use different protocols?
Q24
A distributed network configuration in which all data/information pass through a central computer is
Q25
ICMP (Internet Control Message Protocol) is