Question 1 of 25
Hints left: 3
Q1
When a group of computers is connected together in a small area without the help of telephone lines, it is called
Q2
A communication network which is used by large organizations over regional, national or global area is called
Q3
The interactive transmission of data within a time sharing system may be best suited to
Q4
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?
Q5
Which of the following TCP/IP protocol is used for file transfer with minimal capability and minimal overhead?
Q7
What frequency range is used for microwave communications, satellite and radar?
Q8
Terminals are required for
Q9
In CRC there is no error if the remainder at the receiver is _____.
Q10
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?
Q11
What OSI layer handles logical address to logical name resolution?
Q13
ARP (Address Resolution Protocol) is
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
The main difference between synchronous and asynchronous transmission is
Q16
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.
Q17
Which of the following is an example of a client-server model?
Q18
If the ASCII character H is sent and the character I is received, what type of error is this?
Q19
The 802.5 standard implements a way for preventing collisions on the network. How are collisions prevented when using this standard?
Q20
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?
Q21
The X.25 standard specifies a
Q22
Which of the following statements is incorrect?
Q23
Which of the following uses network address translation?
Q24
A communications device that combines transmissions from several I/O devices into one line is a:
Q25
Sending a file from your personal computer's primary memory or disk to another computer is called