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2021 Oct H12-211 pdf exam
Q411. (Topic 3)
Originally part of a switch port VLAN 5, now with the undo vlan 5 command to delete VLAN 5, after which the port belongs to VLAN
A. 0
B. 1
C. 1023
D. 1024
Answer: B
Q412. (Topic 3)
The following statement on the conflict is not correct
A. Each switch port is a separate collision domain
B. switch port connected to a network conflict will affect the other network port connection
C. use the bridge to replace a network HUB can increase the number of collision domains in the network
D. Reducing the number of hosts on a network can reduce the probability of the occurrence of conflict
Answer: B
Q413. (Topic 4)
ATM is connection-oriented exchange, each virtual circuit to use () to identify
A. DLCI
B. X.121 address
C. VPI / VCI
D. IP address
Answer: C
Q414. (Topic 1)
: 69
MAN in the middle of the backbone network and access network, and can be divided into
A. bearing layer
B. Core layer
C. Tandem layer
D. Access Layer
Answer: B,C,D
Q415. (Topic 3)
The following description on the right Ethernet switch is
A. Ethernet switches based on message content to determine whether a loop exists
B. Ethernet switch in the data forwarding may need to modify the message content
C. Ethernet switch is transparent to users; it does not the contents of packets forwarded by any changes
D. Ethernet switches in the presence of the same loop can work
Answer: C
Leading H12-211 exams:
Q416. (Topic 4)
In the PPP link establishment phase, the receiver receives data packets LCP code does not recognize, they will send an LCP to the right side of () message
A. Code-Reject packet
B. Protocol-Reject packet
C. Field-Reject message
D. Code-NAK packets
Answer: A
700. (Topic 4)
MRU that the termination of PPP data frames received data field maximum, usually the default value for this parameter option, which is () bytes.
A. 1492
B. 1500
C. 4700
D. 9600
Answer: B
Q417. (Topic 4)
Judge: RIP (Routing Information Protocol) protocol version RIPv1, RIPv2 and RIPv3.
A. True
B. False
Answer: B
Q418. (Topic 1)
ICMP packet type field is 8, the code field is zero, on behalf of ICMP ().
A. Echo request packet
B. Echo response packet
C. exceeded packets
D. destination unreachable message
Answer: A
Q419. (Topic 4)
About the RIP protocol, the following statement right there
A. RIP protocol is an IGP
B. RIP protocol is an EGP
C. RIP protocol is a distance vector routing protocol
D. RIP protocol is a link state routing protocol
Answer: A,C
791. (Topic 4)
Default form of the route is ().
A. destination IP is all zeros, the mask is all 1
B. destination IP for the whole 1, mask of all 0
C. destination IP and mask are all 0
D. destination IP and mask are all 1
Answer: C
Q420. (Topic 4)
In the IGP protocol, to a destination a number of different paths that have the same path cost, these routes in the routing table is called
A. equivalent route
B. sub-optimal routing
C. Multi-path routing
D. default route
Answer: A