Question

In electronic mail, which of the following protocol(s) allow(s) the transfer of multimedia message?
(a) MIME
(b) IMAP
(c) POP3
(d) SMTP
The IP address __________ is/are used by hosts when they are being booted.
(a) 1.1.1.1
(b) 1.0.0.0
(c) 0.0.0.0
(d) 255.255.255.255
Which of the following layer(s) of OSI Reference model is/are also called end-to-end layer?
(a) Physical layer
(b) Datalink layer
(c) Network layer
(d) Transport layer
Atomic operation(s) permissible on Semaphores is/are -
(a) stop
(b) wait
(c) hold
(d) signal
Suppose we want to download text documents at the rate of 100 pages per second. Assume that a page consists of an average of 25 lines with 95 characters in each line. What is the required bit rate of the channel?
(a) 237.5 Mbps
(b) 237.5 Kbps
(c) 1.9 Mbps
(d) 1.9 Kbps
Which of the following is/are correct statement?
(a) In memory - mapped I/O, the CPU can manipulate I/O data residing in interface registers that are not used to manipulate memory words.
(b) The isolated I/O method isolates memory and I/O addresses so that memory address range is not affected by interface address assignment.
(c) In asynchronous serial transfer of data the two units share a common clock.
(d) In synchronous serial transmission of data the two units have different clocks.
Which of the following addressing mode is/are best suited to access elements of an array of contiguous memory locations ?
(a) Indexed addressing mode
(b) Base Register addressing mode
(c) Relative address mode
(d) Displacement mode
Match the following:
List – I
1. Data link layer
2. Network layer
3. Transport layer
4. Presentation layer
List – II
i. Encryption
ii. Connection control
iii. Routing
iv. Framing
(a) 1. (iv), 2. (iii), 3. (i), 4. (ii)
(b) 1. (iii), 2. (iv), 3. (ii), 4. (i)
(c) 1. (iv), 2. (ii), 3. (iii), 4. (i)
(d) 1. (iv), 2. (iii), 3. (ii), 4. (i)
The address of a class B host is to be split into subnets with a 6 - bit subnet number. What is the maximum number of subnets and maximum number of hosts in each subnet?
(a) 64 subnets and 1024 hosts
(b) 64 subnets and 256 hosts
(c) 62 subnets and 1022 hosts
(d) 62 subnets and 254 hosts
Which module gives control of the CPU to the process selected by the short-term scheduler?
(a) Dispatcher
(b) Interrupt
(c) Scheduler
(d) Threading

Answer 1

1) d
2)d
3)c
4)b
5)a.
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