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Home » Technical » Aptitude Test - 17
Hassan
1.The network layer concerns with.?
A. bits
B. packets
C. frames
D. bits
2.Which one of the following is not a function of network layer?
A. routing
B. inter-networking
C. congestion control
D. routing
3.The 4 byte IP address consists of:
A. network address
B. host address
C. both (a) and (b)
D. network address
4.In virtual circuit network each packet contains:
A. full source and destination address
B. a short VC number
C. both (a) and (b)
D. full source and destination address
5.The network layer protocol of internet is
A. internet protocol
B. ethernet
C. hypertext transfer protocol
D. internet protocol
6.Which of the following protocol assign IP’s dynamically to hosts available on the network?
A. DHCPS
B. DHXP
C. DHCP
D. DHCPS
7.In computer network, HDLC is?
A. Code transparent
B. Bit oriented
C. Code dependent
D. Code transparent
8.Transmission delay does not depend on ____________?
A. Transmission rate
B. Distance between the routers
C. Packet length
D. Transmission rate
9.The firewall works at network layer as:
A. Packet filter
B. Frame filter
C. Circuit filter
D. Packet filter
10.At which layer of OSI does Connection less connection is established?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 1
11.Which class 125.8.200.1 IP address belongs to?
A. Class A
B. Class B
C. Class C
D. Class A
12.What is the range of the class C addresses?
A. 1-126
B. 129-193
C. 203-239
D. 1-126
13.DHCP is the abbreviation of?
A. Dynamic Host Control Protocol
B. Dynamic Host Configuration Protocol
C. Dynamic Hyper Control Protocol
D. Dynamic Host Control Protocol
14.Router operates in which layer of OSI Reference Model?
A. Physical Layer
B. Network Layer
C. Transport Layer
D. Physical Layer
15.Why IP Protocol is considered as unreliable?
A. A packet may be lost
B. Packets may arrive out of order
C. Duplicate packets may be generated
D. A packet may be lost
16.Which of the following is a transport layer protocol?
A. DNS
B. HTTP
C. TCP
D. DNS
17.The data link layer attempts to make?
A. Source to destination delivery
B. Process-to-process delivery
C. Hop-to-hop delivery
D. Source to destination delivery
18.A port address in TCP/IP is ______ bits long.?
A. 32
B. 48
C. 16
D. 32
19._______ is a process-to-process protocol that adds only port addresses, checksum error control, and length information to the data from the upper layer.?
A. TCP
B. UDP
C. IP
D. TCP
20.The_________ layer is responsible for the delivery of a message from one process to another.?
A. physical
B. transport
C. network
D. physical
21.To deliver a message to the correct application program running on a host, the _______ address must be consulted.?
A. port
B. IP
C. physical
D. port
22.Which of the following services use TCP?
A. DHCP
B. SMTP
C. FTP
D. DHCP
23.Which of the following layer is responsible for process to process delivery?
A. Transport layer
B. Network layer
C. Presentation layer
D. Transport layer
24.Which one of the following is a transport layer protocol used in internet?
A. TCP
B. UDP
C. both (a) and (b)
D. TCP
25.User datagram protocol is called connectionless because:
A. all UDP packets are treated independently by transport layer
B. it sends data as a stream of related packets
C. both (a) and (b)
D. all UDP packets are treated independently by transport layer
26.Transmission control protocol is:
A. connection oriented protocol
B. uses a three way handshake to establish a connection
C. recievs data from application as a single stream
D. connection oriented protocol
27.An endpoint of an inter-process communication flow across a computer network is called:
A. socket
B. pipe
C. port
D. socket
28.Socket-style API for windows is called?
A. wsock
B. winsock
C. wins
D. wsock
29.Which one of the following is a version of UDP with congestion control?
A. datagram congestion control protocol
B. stream control transmission protocol
C. structured stream transport
D. datagram congestion control protocol
30.A _____ is a TCP name for a transport service access point.?
A. port
B. pipe
C. node
D. port
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