Practice Test: Question Set - 04
1. A computer that handles resource sharing and network management in a local area network. Select the best fit for answer:
- (A) Network
Server
- (B) Virtual
Private Network
- (C) Network
operating system
- (D) OSI
2. The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as
- (A) 148.20.2.30
- (B) 164.100.9.61
- (C) 210.20.2.64
- (D) 128.10.2.30
3. Modem is used in data transmission. When was it invented and in which country?
- (A) 1963, USA
- (B) 1965,
Germany
- (C) 1950, USA
- (D) 1950, Japan
4. Which of the following statement is correct?
- (A) Teleprinters
are used for printing at remote locations, not for input
- (B) Teleprinters
are same as teletypes
- (C) Teleprinters
are same as x400
- (D) Teleprinters
have a printer for output and keyboard for input
5. Alex is required to provide information on how many people are using the network at any one time. Which network will enable him to do so?
- (A) Server-based
- (B) Token-Ring
- (C) Ethernet
- (D) Star
6. Band-limited signal is
- (A) Transmission
of signals without modulation
- (B) A
signal all of whose energy is contained within a finite frequency range
- (C) Simultaneous
transmission of data to a number of stations
- (D) None of the
above
7. Which of the following signals is not standard RS - 232-C signal?
- (A) VDR
- (B) RTS
- (C) CTS
- (D) DSR
8. Which of the following statement is incorrect?
- (A) The CCITT
Recommendation X.25 specifies three layers of communication: physical, link and
network
- (B) The second
layer of communication is the data-link layer
- (C) Errors in
the physical layer can be detected by the data link layer
- (D) The
fourth layer, in reference to the OSI model, is the session layer
9. Identify the odd term amongst the following group:
- (A) Coaxial
cable
- (B) Optical
fibre
- (C) Twisted pair
wire
- (D) Microwaves
10. Terminals are used to
- (A) Collect data
from the physical system
- (B) Provide
information for the manager
- (C) Communicate
management decisions to the physical system
- (D) All of the
above
11. Which of the following medium access control technique is used for bus/tree?
- (A) Token ring
- (B) Token bus
- (C) CSMA
- (D) MAC
12. If the ASCII character G is sent and the character D is received, what type of error is this?
- (A) Single-bit
- (B) Multiple-bit
- (C) Burst
- (D) Recoverable
13. You have a network ID of 134.57.0.0 with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign?
- (A) 255.255.224.0
- (B) 255.255.240.0
- (C) 255.255.248.0
- (D) 255.255.252.0
14. The physical layer of a network
- (A) Defines the
electrical characteristics of signals passed between the computer and
communication devices
- (B) Controls
error detection and correction
- (C) Constructs
packets of data and sends them across the network
- (D) None of the
above
15. Which of the following is separated by a subnet mask?
- (A) DHCP scopes
- (B) Network ID
and host ID
- (C) Domains
- (D) Subnets
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