Q.1
How many class A, B, and C network IDs can exist?
Q.2
Which of the following is separated by a subnet mask?
Q.3
The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is
Q.4
The dialogue techniques for terminal use do not include
Q.5
You have a network ID of 192.168.10.0 and require at least 25 host IDs for each subnet, with the largest amount of subnets available. Which subnet mask should you assign?
Q.6
The transmission signal coding method of TI carrier is called
Q.7
Which of the following statement is correct?
Q.8
TCP is:
Q.9
An encyclopedic database
Q.10
Which of the following statements is correct?
Q.11
The encoding method specified in the EIA-232 standard is _____.
Q.12
Examples are packet switching using frame relay, and cell switching using ATM technologies. Select the best fit for answer:
Q.13
The physical layer, in reference to the OSI model, defines
Q.14
You are working with a network that has the network ID 192.168.10.0 and require nine subsets for your company and the maximum number of hosts. What subnet mask should you use?
Q.15
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?
Q.16
A remote batch-processing operation in which data is solely input to a central computer would require a:
Q.17
When you ping the loopback address, a packet is sent where?
Q.18
Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
Q.19
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.
Q.20
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
Q.21
Satellite-Switched Time-Division Multiple Access (SS/TDMA) is
Q.22
Which is also known as a connectionless protocol for a packet-switching network that uses the Datagram approach?
Q.23
Which switch is a multistage switch with micro switches at each stage that route the packets based on the output port represented as a binary string?
Q.24
How many digits of the DNIC (Data Network Identification Code) identify the country?
Q.25
A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?
Q.26
The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to
Q.27
Frames from one LAN can be transmitted to another LAN via the device
Q.28
Which of the following condition is used to transmit two packets over a medium at the same time?
Q.29
You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?
Q.30
What is Cladding?
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