Part of the field in the IP packet is dedicated to the description of the life cycle of the message, that is TTL value, how much is its maximum value ?

Part of the field in the IP packet is dedicated to the description of the life cycle of the message, that is TTL value, how much is its maximum value ?A . 255B . 256C . 1023D . 1024View AnswerAnswer: A

January 2, 2019 No Comments READ MORE +

Which statement about IP routing statement is true?

Which statement about IP routing statement is true?A . Routing is the concept of the second layer in the OSI model.B . Any of the routing must include the following three parts information: source address, destination address and next hop.C . In the LAN, routing includes the following two parts...

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In Ethernet, according to what address to distinguish the different devices?

In Ethernet, according to what address to distinguish the different devices?A . LLC addressB . MAC addressC . IP addressD . IPX addressView AnswerAnswer: B

December 18, 2018 No Comments READ MORE +

How much is SHDSL maximum transmission distance?

How much is SHDSL maximum transmission distance?A . 1.5KMB . 6KMC . 10KMD . 20KMView AnswerAnswer: B

December 1, 2018 No Comments READ MORE +

In the routing table item, for the same destination address and mask, only corresponding to a unique nexthop and outbound interface.

In the routing table item, for the same destination address and mask, only corresponding to a unique nexthop and outbound interface.A . TrueB . FalseView AnswerAnswer: B

November 27, 2018 No Comments READ MORE +

Routing in the routing table can not exist mask of 0.0.0.0 routing entry.

Routing in the routing table can not exist mask of 0.0.0.0 routing entry.A . TrueB . FalseView AnswerAnswer: B

November 19, 2018 No Comments READ MORE +

According to the IEEE 802.1Q standard, which position does VLAN identification field in the Ethernet frame ?

According to the IEEE 802.1Q standard, which position does VLAN identification field in the Ethernet frame ?A . before the source MAC address and destination MAC addressB . in the middle of source MAC address and destination MAC addressC . after the source MAC address and destination MAC addressD ....

September 27, 2018 No Comments READ MORE +

LAN computers in judging the received broadcast frame is the method whether they should receive, judge whether the source MAC address of the frame is the same as the hardware address of the machine.

LAN computers in judging the received broadcast frame is the method whether they should receive, judge whether the source MAC address of the frame is the same as the hardware address of the machine.A . TrueB . FalseView AnswerAnswer: B

September 1, 2018 No Comments READ MORE +

Which medium does 10BASE-T refer to define?

Which medium does 10BASE-T refer to define?A . thick coaxial cableB . thin coaxial cableC . twisted-pairD . optical fiberView AnswerAnswer: C

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Which layer of the OSI reference model does Ethernet switches work in ?

Which layer of the OSI reference model does Ethernet switches work in ?A . Physical LayerB . Data link layerC . Network layerD . Transport LayerView AnswerAnswer: B

August 19, 2018 No Comments READ MORE +