思科认证考试

Hosts on the same VLAN can communicate with each other but are unable to communicate with hosts on different VLANs. What is needed to allow communication between VLANs（）。A、a switch with a trunk link that is configured between the switchesB、a router with a

题目

Hosts on the same VLAN can communicate with each other but are unable to communicate with hosts on different VLANs. What is needed to allow communication between VLANs（）。

  • A、a switch with a trunk link that is configured between the switches
  • B、a router with an IP address on the physical interface that is connected to the switch
  • C、a switch with an access link that is configured between the switches
  • D、a router with subinterfaces configured on the physical interface that is connected to the switch
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相似问题和答案

第1题：

Refer to the exhibit. A network technician is asked to design a small network with redundancy. The exhibit represents this design, with all hosts configured in the same VLAN. What conclusions can be made about this design?（）

A.The design will function as intended

B.Spanning-tree will need to be used.

C.The router will not accept the addressing scheme.

D.The connection between switches should be a trunk.

E.The router interfaces must be encapsulated with the 802.1Q protocol.


参考答案：C

第2题：

Which command can be used from a PC to verify the connectivity between hosts that connect through a switch in the same LAN?()

A.ping address

B.tracert address

C.traceroute address

D.arp address


参考答案：A

第3题：

You need to perform. some initial configuration tasks on a new Ezonexam switch. What is the purpose of assigning an IP address to a switch?

A．To provide local hosts with a default gateway address

B．To allow remote management of the switch.

C．To allow the switch to respond to ARP requests between two hosts

D．To ensure that hosts on the same LAN can communicate with each other.

E．None of the above


正确答案：B
解析：Explanation:Switchisalayer2deviceanddoesn'tusenetworklayerforpacketforwarding.TheIPaddressmaybeusedonlyforadministrativepurposessuchasTelnetaccessorfornetworkmanagementpurposes.

第4题：

Which statement about vlan operation on cisco catalyst switches is true?（）

  • A、when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.
  • B、unkown unicast frames are retransmitted only to the ports that belong to the same vlan
  • C、ports between switches should be configured in access mode so that vlans can span across the ports
  • D、broadcast and multicast frames are retransmitted to ports that are configured on different vlan.

正确答案:B

第5题：

Which of the following options applies to virtual Ethernet devices（）

  • A、A virtual Ethernet adapter can only connect to other partitions within the same system.
  • B、A virtual Ethernet  adapter needs  to be connected to an external VLAN  capable switch to be able to communicate with other partitions on the same system.
  • C、A partition can support an unlimited number of virtual Ethernet devices.
  • D、A virtual Ethernet adapter in the VIO Server that is part of a SEA should not have the "trunk flag" set

正确答案:A

第6题：

Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? ()

A.The subnet mask in use is 255.255.255.192.

B.The subnet mask in use is 255.255.255.128.

C.The IP address 172.16.1.25 can be assigned to hosts in VLAN1

D.The IP address 172.16.1.205 can be assigned to hosts in VLAN1

E.The LAN interface of the router is configured with one IP address.

F.The LAN interface of the router is configured with multiple IP addresses.


参考答案：B, C, F

第7题：

When one connection to a host fails in a full mesh network， which of the following is true？（）

  • A、All hosts can communicate.
  • B、No hosts can communicate.
  • C、Half of the hosts will lose communication.
  • D、Only the two hosts between the failed connection will lose communication.

正确答案:A

第8题：

A group of hosts are physically connected to the same switch. The hosts are used by employees of different departments and therefore do not need to directly exchange data on a regular basis.Which technology can a network administrator deploy to reduce unnecessary broadcast traffic between these hosts?（）

A. Micro segmentation

B. Transparent switching

C. peer-to-peer networking

D. port security

E. store-and-forward switching

F. virtual local area networks


参考答案：A

第9题：

An administrator needs a network that can support up to 800 hosts on the same subnet. Which of the following is the MINIMUM subnet mask that should be used？（）

  • A、255.0.0.0
  • B、255.255.0.0
  • C、255.255.252.0
  • D、255.255.255.0

正确答案:C

第10题：

The Company LAN switches are being configured to support the use of Dynamic VLANs. Which of  the following are true of dynamic VLAN membership？（）

  • A、VLAN membership of a user always remains the same even when he/she is moved to another  location.
  • B、VLAN membership of a user always changes when he/she is moved to another location.
  • C、Membership can be static or dynamic.
  • D、Membership can be static only.
  • E、None of the other alternatives apply.

正确答案:A,C

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