The .IP header contains an 8-bit Type of Service (TOS) field. Which of the following are the TOS fields? (Multiple choice)
A. 3bit COS field
B. 1bit minimum delay
C. 1bit maximum throughput
D. 2bit maximum reliability
What is the meaning of the "-m" parameter in the Ping function of the VRP platform?
A. Set the number of times to send a message
B. Set the length of the sent message
C. Set the interval between sending messages
D. Set the timeout period of the packet
Network interconnection devices are often located below and below the OSI reference model, implemented in a combination of hardware and software.
A. One
B. Three
C. Four
D. Five
Regarding RIP route aggregation, what are the following statements correct? (multiple choice)
A. Route aggregation refers to the route sent by different subnets in the same natural network segment to a natural mask when sent to other network segments.
B. RIPv1 does not support route aggregation
C. Huawei routers use RIPv2 to disable route aggregation by default.
D. When all subnet routes need to be broadcasted, you can disable RIPv2 route aggregation.
What are the duplex modes supported by the Ethernet electrical port? (multiple choice)
A. Full duplex
B. Half duplex
C. Simplex
D. Auto-negotiation
The international professional organization responsible for allocating IP addresses divides several network segments into private network segments, which can be freely allocated and used by people on the private network. Which of the following network segments that are not private addresses?
A. 10.0.0.0/8
B. 172.16.0.0/12
C. 192.168.0.0/16
D. 224.0.0.0/8
When the data link layer of the router receives the length of the packet sent by the upper layer is greater than the maximum MTU of the interface that the router sends the packet, the strategy adopted is?
A. Drop the message
B. Fragment the message
C. Send a request to the source router to reduce its message size
D. Forward the message directly
Which of the following options is used to verify the entire ICMP message?
A. Inspection and field of ICMP messages
B. Inspection of the IP datagram header
C. Code field of ICMP message
D. Type field of ICMP packet
What is the network address of the network segment where 183.79.24.51/20 is located?
A. 183.79.24.0
B. 183.79.16.0
C. 183.79.0.0
D. 183.79.1.0
According to the working mode of the Eudemon firewall, it can be divided into three types, which are respectively? (multiple choice)
A. Routing mode
B. Transparent mode
C. Mixed mode
D. Proxy mode
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