In order to link data centers, a customer is evaluating the installation of fiber optic cable between buildings that are 400 meters apart. The installation will require multiple patch panels and cables.<br /> Which of the following is the most critical factor to consider for this installation?（）

A、I/O rate

B、bandwidth

C、signal loss

D、Dense Wavelength Division Multiplexing (DWDM)

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更多“ In order to link data centers, a customer is evaluating the installation of fiber optic cable between buildings that are 400 meters apart. The installation will require multiple patch panels and cables.<br /> Which of the following is the most critical factor to consider for this installation?（）”相关的问题

第1题

[单选题] Refer to the exhibit.All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?（）

A、The access link needs to be configured in multiple VLANs. B、The link between the switches is configured in the wrong VLAN. C、The link between the switches needs to be configured as a trunk. D、VTP is not configured to carry VLAN information between the switches. E、Switch IP addresses must be configured in order for traffic to be forwarded between the switches

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第2题

[单选题] In network that support VLSM, which network mask should be used for point-to-point WAN links in order to reduce waste of IP addresses?（）

A、/24 B、/30 C、/27 D、/26 E、/32

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第3题

[单选题] To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus?（）

A、to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link B、to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link C、to two core switches from redundant distribution switches connected with a Layer 2 link D、to two core switches from redundant distribution switches connected with a Layer 3 link E、to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO

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第4题

[多选题] While troubleshooting some connectivity issues，you issue the “show ip ospf database”in order to ex amine the link state database. Which three of the statements below are true regarding the OSPF link state database（）

A、Each router has an identical link state database. B、External routes are imported into a separate link state database. C、Syn chronization of link state databases is maintained via floodingo f LSAs. D、Information in the link state database is used to build a routing table by calculating a shortest-path tree. E、By default,link state databases are refreshede very 10 minutes in the absence of topology changes.

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第5题

[单选题] Why would an administrator change the value of the spanning-tree priority of a switch?（）

A、in order to optimize the path that frames take from source to destination B、to increase the priority so a designated port will become a root port C、to increase the BID, so the switch is more likely to become root bridge D、in order to allow VLANs to be sent from one switch to another across a single link E、to force a given switch to become an STP server

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第6题

[单选题] In order to log（）the system you have to type in your password.

A、in B、on C、in to D、off to

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第7题

[单选题] You develop a Windows Communication Foundation (WCF) service that interacts with Microsoft Message Queuing (MSMQ). The service requires sessions. You need to create a custom binding that enables messages sent to the queue to be viewed when you are using a listener tool. Which binding elements should you use?（）

A、textMessageEncoding and msmqTransport in this order. B、textMessageEncoding and msmqIntegrationTransport in this order. C、msmqTransport and textMessageEncoding in this order. D、msmqIntegrationTransport and textMessageEncoding in this order.