DUMPS
BASE
EXAM DUMPS
HUAWEI
H12-821_V1.0-ENU
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HCIP-Datacom-Core Technology V1.0
,1. There are the following states in the BGP neighbor establishment process, then the
state machine sequence that a successful connection goes through is:
2. Active
3. OpenConfirm
4. Idle
5. Establish
6. OpenSent
A. 3-1-2-5-4
g
in
B. 1-3-5-2-4
n
ar
Le
C. 3-5-1-2-4
r
fo
D. 3-1-5-2-4
s
ali
Answer: D
er
at
M
ve
si
en
eh
7. As shown in the figure, in the network running the RSTP protocol, the original root
pr
om
port of SWC fails and the port is in the Down state.
-C
2)
.0
12
(V
ps
um
D
m
xa
E
U
N
E
0-
1.
_V
21
-8
12
H
ei
w
ua
H
At this time, which of the following processes will the network go through to achieve
stability?
A. The standby port on the SWC becomes the new root port and enters the
Forwarding state after going through the Learning state
B. SWC re-elects the root port and directly enters the Forwarding state
C. The standby port on the SWC becomes the new root port and directly enters the
, Forwarding state
D. SWC re-elects the root port and enters the Forwarding state after Learning
Answer: C
8. About the description about the OSPF calculating the shortest path tree stage,
which is the correct?
A. The first stage calculates the Stub network segment, and the second stage
calculates the router node and Transit network segment.
B. The first stage calculates routing nodes and Transit network segments, and the
second stage calculates Stub network segments.
C. The first stage calculates the stub segment, and the second stage calculates the
routing node.
g
in
D. The first stage calculates the routing nodes, and the second stage calculates the
n
ar
Le
Stub network segment.
r
fo
Answer: B
s
ali
er
at
M
ve
si
9. Regarding the description of IGMP Snooping-working mechanism, which is the
eh
en
correct?
pr
om
A. The layer 2 switch establishes and maintains the PIM routing table on the layer 2
-C
by continuously monitoring IGMP messages.
2)
.0
B. When IGMP Snooping is not running, the multicast message will be broadcast on
12
(V
the second layer. After running IGMP Snooping, the message will no longer be
ps
um
broadcast on the second layer, but will be multicast on the second layer.
D
m
C. If the host sends an IGMP leave message, the switch will add the host to the
xa
E
corresponding multicast table.
U
N
D. If the host sends an IGMP host report message, the switch will delete the multicast
E
0-
1.
entry corresponding to the hos.t
_V
21
Answer: B
-8
12
H
ei
w
ua
10. What is the minimum total length of the address in IS-IS Byte?
H
A. 2
B. 8
C. 20
D. 16
Answer: B
11.Which of the following does not include the advantages of address translation
technology?
A. Address translation allows internal network users (private IP addresses) to easily
BASE
EXAM DUMPS
HUAWEI
H12-821_V1.0-ENU
28% OFF Automatically For You
HCIP-Datacom-Core Technology V1.0
,1. There are the following states in the BGP neighbor establishment process, then the
state machine sequence that a successful connection goes through is:
2. Active
3. OpenConfirm
4. Idle
5. Establish
6. OpenSent
A. 3-1-2-5-4
g
in
B. 1-3-5-2-4
n
ar
Le
C. 3-5-1-2-4
r
fo
D. 3-1-5-2-4
s
ali
Answer: D
er
at
M
ve
si
en
eh
7. As shown in the figure, in the network running the RSTP protocol, the original root
pr
om
port of SWC fails and the port is in the Down state.
-C
2)
.0
12
(V
ps
um
D
m
xa
E
U
N
E
0-
1.
_V
21
-8
12
H
ei
w
ua
H
At this time, which of the following processes will the network go through to achieve
stability?
A. The standby port on the SWC becomes the new root port and enters the
Forwarding state after going through the Learning state
B. SWC re-elects the root port and directly enters the Forwarding state
C. The standby port on the SWC becomes the new root port and directly enters the
, Forwarding state
D. SWC re-elects the root port and enters the Forwarding state after Learning
Answer: C
8. About the description about the OSPF calculating the shortest path tree stage,
which is the correct?
A. The first stage calculates the Stub network segment, and the second stage
calculates the router node and Transit network segment.
B. The first stage calculates routing nodes and Transit network segments, and the
second stage calculates Stub network segments.
C. The first stage calculates the stub segment, and the second stage calculates the
routing node.
g
in
D. The first stage calculates the routing nodes, and the second stage calculates the
n
ar
Le
Stub network segment.
r
fo
Answer: B
s
ali
er
at
M
ve
si
9. Regarding the description of IGMP Snooping-working mechanism, which is the
eh
en
correct?
pr
om
A. The layer 2 switch establishes and maintains the PIM routing table on the layer 2
-C
by continuously monitoring IGMP messages.
2)
.0
B. When IGMP Snooping is not running, the multicast message will be broadcast on
12
(V
the second layer. After running IGMP Snooping, the message will no longer be
ps
um
broadcast on the second layer, but will be multicast on the second layer.
D
m
C. If the host sends an IGMP leave message, the switch will add the host to the
xa
E
corresponding multicast table.
U
N
D. If the host sends an IGMP host report message, the switch will delete the multicast
E
0-
1.
entry corresponding to the hos.t
_V
21
Answer: B
-8
12
H
ei
w
ua
10. What is the minimum total length of the address in IS-IS Byte?
H
A. 2
B. 8
C. 20
D. 16
Answer: B
11.Which of the following does not include the advantages of address translation
technology?
A. Address translation allows internal network users (private IP addresses) to easily
