Question 1 of 25
Hints left: 3
Q1
In CRC there is no error if the remainder at the receiver is _____.
Q2
What frequency range is used for microwave communications, satellite and radar?
Q3
The main difference between synchronous and asynchronous transmission is
Q4
When a group of computers is connected together in a small area without the help of telephone lines, it is called
Q5
The interactive transmission of data within a time sharing system may be best suited to
Q6
Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information but are able to see each other. What is it called?
Q7
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent?
Q8
If the ASCII character H is sent and the character I is received, what type of error is this?
Q9
Terminals are required for
Q11
The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?
Q12
Which of the following is an example of a client-server model?
Q13
The X.25 standard specifies a
Q14
Information systems with common hardware, software, and network standards that provide easy access for end users and their networked computer systems. Select the best fit for answer:
Q15
What OSI layer handles logical address to logical name resolution?
Q16
A communication network which is used by large organizations over regional, national or global area is called
Q17
Sending a file from your personal computer's primary memory or disk to another computer is called
Q18
A communications device that combines transmissions from several I/O devices into one line is a:
Q19
ARP (Address Resolution Protocol) is
Q20
Which of the following statements is incorrect?
Q22
The 802.5 standard implements a way for preventing collisions on the network. How are collisions prevented when using this standard?
Q23
Which of the following uses network address translation?
Q24
The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.
Q25
Which of the following TCP/IP protocol is used for file transfer with minimal capability and minimal overhead?