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2021 Sep H12-211 question
Q461. (Topic 2)
Telnet transport protocol to use ().
A. TCP
B. UDP
C. ECMP
D. UCMP
Answer: A
Q462. (Topic 2)
The following is a correct statement about NAT
A. NAT is in English, "Address Translation" in the acronym, also known as address translation
B. NAT private address used to achieve the conversion between the public network address
C. When the internal network hosts to access external networks, they must not NAT
D. Address transformation proposed to solve the problem of the shortage IP address provides an effective way to
Answer: A,B,D
Q463. (Topic 2)
IP address where the network address of 192.168.1.7/28 ().
A. 192.168.1.0
B. 192.168.1.4
C. 192.168.1.6
D. 192.168.1.7
Answer: A
Q464. (Topic 4)
PPP connection is established, you can use which protocol component Echo-Request and Echo-Reply message packet detect link status ().
A. Data Package
B. LCP
C. NCP
D. IPCP
Answer: B
Q465. (Topic 4)
Using the incremental update mechanism, only when the link state changes when sending routing updates. Belong to the routing protocol with ().
A. RIP
B. BGP
C. IS-IS
D. OSPF
Answer: C,D
Leading H12-211 free question:
Q466. (Topic 2)
: 211
When a router or host datagrams discarded due to congestion on the source station to send ICMP () message.
A. does not reach the destination station
B. source quench
C. Parameter problem
D. Redirect
Answer: B
Q467. (Topic 3)
STP protocol bridge ID consists of two parts, namely,
A. bridge priority
B. The port ID bridge
C. The MAC address of bridge
D. The IP address of the bridge
Answer: A,C
Q468. (Topic 2)
NAT is able to convert the network address
A. IP
B. IPX
C. AppleTalk
D. DECNET
Answer: A
Q469. (Topic 3)
In the STP protocol, which of the following factors will affect the election of the root switch?
A. switch priority
B. switch port ID
C. switch interface bandwidth
D. MAC address of switch
E. the IP address of the switch
Answer: A,D
Q470. (Topic 4)
A route in the routing table proto field is direct, indicating that the route is ().
A. Link Layer protocol that routes
B. Interface Routing
C. direct routes
D. default route
Answer: A,B,C