When setting up a WAN network, everything outside of the
Demarc is
not owned by the customer. Which of the following are not
owned by the
customer?
A.) The T1 line.
B.) LAN
C.) The Router
D.) DTE
E.) PC's
F.) CO
Answer / guest
Answer: A F
The Central Office is the where phone people work.
The Telco maintains ownership of its physical wiring, and
leases their
use to their customers.
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Define network congestion?
In distance-vector routing, there is a problem known as the 'count to infinity' problem. What is the most direct solution to this? A.) Defining a Maximum. B.) You can not solve the 'count to infinity' problem with a distance vector protocol. C.) Poison Reverse. D.) Triggered Updates. E.) Split Horizon.
UDP works at which layer of the DOD model? A.) Internet B.) Host-to-Host C.) Transport D.) Data Link
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What is the difference between TCP and UDP? A.) TCP is connection-oriented; UDP uses acknowledgements only B.) TCP is connection-oriented; UDP is connectionless C.) Both TCP and UDP are connection-oriented, but only TCP uses windowing D.) TCP and UDP both have sequencing, but UDP is connectionless
Which of the following are characteristics of UDP? A.) UDP is connection oriented. B.) UDP is used with TFTP. C.) UDP is unreliable. D.) UDP is connectionless. E.) UDP is at the transport layer. F.) UDP uses no acknowledgements.
Identify 3 methods used to prevent routing loops? A.) Split horizon B.) Holddown timers C.) Poison reverse D.) SPF algorithm E.) LSP's
Define Poison Reverse? A.) To prevent regular update messages from reinstating a route that has gone down B.) Packets sent out that are not destined for a network go to the default network C.) Information received on an interface cannot be sent back out the same interface D.) When a network goes down, that network is advertised with an infinite metric
Name the vtp modes?
When we use loop back ip?
What is the difference between the communication and transmission?
How many types of IP routings?
14 Answers CK, TCS,