單項選擇題A network engineer wants to allow a temporary entry for a remote user with a specific usename and password so that the user can access the entire network over the internet.which ACL can be used?()

A. reflexive
B. extended
C. standard
D. dynamic


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2.單項選擇題Which PPP subprotocol negotiates authentication options?()

A. NCP
B. LCP
C. ISDN
D. DLCI
E. SLIP

4.單項選擇題Assuming the default switch configuration,which approach should you use to configure the extended vlan range(1006 through 4094) on a cisco catalyst 3750 series switch?()

A. Configure the switch to be in VTP client mode.
B. Configure the switch to be in VTP domaint mode.
C. Configure the switch to be in VTP transparent mode.
D. Configure the switch to be in VTPv2.

5.單項選擇題In which integration method is an IPV6 packet encapsulated within an IPV4 protocol?()

A. proxy.
B. dual-stack
C. tunneling
D. dot1q

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What is the purpose of the cisco Vlan Trunking protocol?()

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Which cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?()

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Which pairing reflects a correct protocol-and-metric relationship?()

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A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?()

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How are VTP advertisements delivered to switches across the network?()

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Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?()

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When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?()

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Which command is used to display the collection of OSPF link states?()

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