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Free computer quiz Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. CSMA/CD is
(a)
An important protocol
(b)
IEEE 802.3 (Ethernet)
(c)
Both (a) and (b)
(d)
None of these
2. To set up a bulletin board system we need a
(a)
Personal computer
(b)
Telephone line
(c)
Smart modem with auto answer capabilities
(d)
All of these
3. Most sophisticated type of data communications test equipment is
(a)
Breakout box
(b)
DTE
(c)
Protocol analyzer
(d)
Simulator
4. Portion of server memory set aside to temporary hold data packets form workstations is called
(a)
Dirty packet buffer
(b)
Packet cache buffer
(c)
Packet block
(d)
Packet receive buffer
5. Simple network management protocol (SNMP) is implemented with a daughter board in the
(a)
Separate PC that manages the network
(b)
Hubs
(c)
Server
(d)
Nodes
6. In the slow start phase of the TCP congestion control algorithm, the size of the congestion window
(a)
Increases exponentially
(b)
Increases quadratically
(c)
Increases linearly
(d)
Does not increase
7. Number of channels on which different operations can occur simultaneously on one ISDN basic access line is
(a)
1
(b)
2
(c)
3
(d)
5
8. Which of the following is not a class of LAN?
(a)
Token bus
(b)
CSMA/CD
(c)
Broad band
(d)
All of these
9. Which of the following is NOT true with respect to a transparent bridge and a router?
(a)
A router can connect between a LAN and a WAN
(b)
A bridge builds up its routing table by inspecting incoming packets
(c)
A bridge uses IP addressed while a router uses MAC addresses
(d)
Both bridge and router selectively forward data packets
10. A basic technique for isolating data communications faults is
(a)
Simulating the system on a special purpose compute
(b)
Calling the DTE service department
(c)
Calling the telephone company
(d)
Performing a loopback test
