NO.1 What occurs on a Frame Relay network when the CIR is exceeded?
A. All
UDP traffic is marked discard eligible and a BECN is sent.
B. All TCP traffic
is marked discard eligible.
C. All TCP traffic is marked discard eligible and
a BECN is sent.
D. All traffic exceeding the CIR is marked discard
eligible.
Answer: D
Explanation:
Committed information rate (CIR): The
minimum guaranteed data transfer rate agreed to by the
Frame Relay switch.
Frames that are sent in excess of the CIR are marked as discard eligible
(DE)
which means they can be dropped if the congestion occurs within the
Frame Relay network. Note: In
the Frame Relay frame format, there is a bit
called Discard eligible (DE) bit that is used to identify
frames that are
first to be dropped when the CIR is exceeded.
NO.2 Which parameter or
parameters are used to calculate OSPF cost in Cisco routers?
A. Bandwidth,
Delay, and MTU
B. Bandwidth
C. Bandwidth, MTU, Reliability, Delay, and
Load
D. Bandwidth and Delay
Answer: B
200-105시험후기
Explanation:
http://www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094e9e.sht
ml#t6
OSPF Cost
The cost (also called metric) of an interface in OSPF is
an indication of the overhead required to send
packets across a certain
interface. The cost of an interface is inversely proportional to the
bandwidth
of that interface. A higher bandwidth indicates a lower
cost.
There is more overhead (higher cost) and time delays involved in
crossing a 56k serial line than
crossing a 10M Ethernet line. The formula
used to calculate the cost is: Cost= 10000 0000/bandwidth
in bps
For
example, it will cost 10 EXP8/10 EXP7 = 10 to cross a 10M Ethernet line and will
cost 10
EXP8/1544000 =64 to cross a T1 line. By default, the cost of an
interface is calculated based on the
bandwidth; you can force the cost of an
interface with the ip ospf cost <value> interface sub
configuration
mode command.
NO.3 Refer to the exhibit.
If the router R1 returns the
given output and has not had its router ID set manually, what address
will
EIGRP use as its router ID?
A. 192.168.1.2
B. 192.168.10.2
C.
172.16.4.1
D. 1.1.1.1
Answer: D
200-105
IT덤프
Explanation:
The router ID is selected according to the
following rules: manual configuration highest up/up
loopback highest up/up
physical interface
---
NO.4 Which term describes a spanning-tree
network that has all switch ports in either the blocking or
fowarding
state?
A. redundant
B. provisioned
C. spanned
D.
converged
Answer: D
200-105자료 200-105덤프
Explanation:
Spanning
Tree Protocol convergence (Layer 2 convergence) happens when bridges and
switches have
transitioned to either the forwarding or blocking state. When
layer 2 is converged, root bridge is
elected and all port roles (Root,
Designated and Non-Designated) in all switches are selected.
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시험 이름: Interconnecting Cisco Networking Devices Part 2 (ICND2 v3.0)
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시험 이름: CCNA Cisco Certified Network Associate CCNA (v3.0)
당신이 구입하기 전에 시도, 100% 합격율 보장
100% 환불보장약속 200-125시험후기
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