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Q406. (Topic 3)
Using VLAN tagging, in exchange the network environment, the Ethernet frame has the following two formats: () and ().
A. untagged frame
B. tagged frame
C. row frame
D. column frame
Answer: A,B
Q407. (Topic 4)
In the RIP, the router directly connected to the network with its hop count ().
A. 0
B. 1
C. Infinity
D. None of the above
Answer: A
Q408. (Topic 1)
VDSL technology is applicable to ().
A. long-range (greater than 2Km, less than 5Km) dispersed customer base
B. medium distance (less than 1.5Km), more focused customer base
C. close (less than 200M)-intensive customer base
D. long-distance (greater than 15Km) a concentrated customer base
Answer: C
Q409. (Topic 2)
MAC address of 48 bits, usually expressed as a 12-bit dotted hexadecimal number. If the full 48-bit is
1, it indicates that the address is ().
A. Multicast Address
B. Broadcast Address
C. Unicast Address
D. virtual address
Answer: B
Q410. (Topic 2)
C class network, increase the 3 mask is used to add the default subnet mask for each subnet number up to the host ().
A. 62
B. 30
C. 14
D. 6
Answer: B
Topic 3, Volume C
Q411. (Topic 1)
: 175
In the TCP / IP reference model, which is running in application layer protocol over TCP’S?
A. HTTP
B. TFTP
C. FTP
D. SMTP
E. SNMP
Answer: A,C,D
Q412. (Topic 1)
: 96
ADSL Modem if the computer is directly connected to the computer through PPPoE dial-up, usually in this case, ADSL Modem () operation
A. Route mode
B. Bridge mode
C. IPOA mode
D. MPOA model
Answer: B
Q413. (Topic 3)
The following description of the principle of spanning tree protocol is correct
A. From all the switches in the network, select a switch as the root (Root)
B. Calculate the switch to the shortest path to the root switch
C. For each LAN, elect the root switch from the recent switch as the designated switch that is responsible for forwarding this data on the LAN
D. non-root switch will choose the number of root port, the root port switch gives the path to the root switch is the best path set
Answer: A,B,C
Q414. (Topic 4)
Judge: RIP (Routing Information Protocol) protocol version RIPv1, RIPv2 and RIPv3.
A. True
B. False
Answer: B
Q415. (Topic 2)
IP address 191.10.96.132 using natural mask, 191.10.96.132 is the network address ().
A. 191.0.0.0
B. 191.10.0.0
C. 191.10.48.0
D. 191.10.96.0
Answer: B
Q416. (Topic 1)
: 67
A complete IP network is divided into ().
A. Backbone
B. MAN
C. Access Network
D. Mobile Network
Answer: A,B,C
Q417. (Topic 2)
DHCP protocol in the OSI reference model, which is a level of agreement
A. Physical Layer
B. Data Link Layer
C. Network Layer
D. Application layer
Answer: D
Q418. (Topic 4)
The common link-state routing protocol
A. RIP
B. BGP
C. IS-IS
D. OSPF
Answer: C,D
Q419. (Topic 4)
Judge: by the administrator to manually configure a static route is made can also be automatically generated.
A. True
B. False
Answer: B
Q420. (Topic 1)
Has a MAC address () bits
A. 6
B. 12
C. 24
D. 48
Answer: D