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Q. Ping is a command used for
a) Checking MAC address
Checking Networking functionality and validity of IP address
c) Checking cabling performance
d) Checking cable connectivity only

Q. DSL is an example of a____________ connection.
A. network
B. wireless
C. slow
D. broadband

Q. Internet is
A. a local computer network
B. a world wide network of computers
C. an interconnected network of computers
D. a world wide interconnected network of computers which use a common
protocol to communicate with one another.

Q. By an intranet we mean
A. a LAN of an organization
B. a Wide Area Network connecting all branches of an organization
C. a corporate computer network
D. a network connecting all computers of an organization and using the internet

Q) Which layer is closer to the user?
(A) Network layer.
(B) Physical Layer
(C) Data Link Layer
(D) Application Layer

Q) What is the port number of DNS?
(A) 21
(B) 23
(C) 43
(D) 53

Q. You have one IP: In which layer this IP works?
(A) Network layer.
(B) Physical Layer
(C) Data Link Layer
(D) Application Layer

Q) What is the port number of Telnet ?
(A) 21
(B) 23
(C) 43
(D) 53

Q. Flow control in TCP/IP is handled using: 
(A) Urgent pointer
(B) Acknowledgement number
(C) Checksum
(D) Variable-size sliding window

Q. Which among the following is a protocol 'of Wireless LAN? 
(A) 802.2 
(C) 802.5 
(D) 802.11

4. Which is the protocol among the following that is used for translating from physical address
to Internet address?
(B) ARP 

Q. Which property among the ones given below is not possessed by the HTTP protocol? 
(A) Non-cached (B) Lightweight
(C) Stateless (D) Application level

Q. The port number assigned to FTP protocol is: 
(A) 23  
(B) 22
(C) 69  
(D) 21

Q. The protocol used in TCPIIP for dynamic address assignment is : 

Q) Normal Switch operates on which layer of OSI model?
(A) Network layer.
(B) Physical Layer
(C) Data Link Layer
(D) Application Layer

Q)What is the upper layer name of OSI layer?
(A) Network layer.
(B) Physical Layer
(C) Data Link Layer
(D) Application Layer.

Q) ARP sents the request in broadcast, response is unicast Error control is down in which layer?
(A) Layer 4
(B) Layer 5
(C) Layer 1
(D) Layer 3


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