Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?()A. Stateful DHCPB. Stateless DHCPC. Stateless autoconfigurationD. Neighbor Discovery Protocol

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第2题：

Select the 3 best answers describing operation and configuration of Frame-Relay Inverse ARP.（）

• A、Dynamic address mapping uses Frame Relay Inverse ARP to request the next-hop protocol address for a specific connection on its known DLCI
• B、Responses to Inverse ARP requests are entered in an address-to-DLCI mapping table on the router or access server which is used to supply the next-hop protoco address or the DLCI for outgoing traffic
• C、Inverse ARP is enabled by default for all protocols enabled on the physical interface
• D、Inverse ARP is configured using the following command under the Interface configuration ’frame-relaymap dlci （dlci number） protocol protocol-address’
• E、Inverse ARP in Frame-Relay is synonymous of ARP in Ethernet

正确答案:A,B,C

第3题：

Which of the following  answers lists a multicast IPv6 address?（）

• A、2000::1:1234:5678:9ABC
• B、FD80::1:1234:5678:9ABC
• C、FE80::1:1234:5678:9ABC
• D、FF80::1:1234:5678:9ABC

正确答案:D

第4题：

Which two statements are true about using IPv4 and IPv6 simultaneously on a network segment? （）

• A、IPv6 allows a host to create its own IPv6 address that will allow it to communicate to other devices on a network configured via DHCP. IPv4 does not provide a similar capability for hosts.
• B、IPv6 provides for more host IP addresses but IPv4 provides for more network addresses.
• C、Hosts can be  configured to receive both IPv4 and IPv6 addresses via DHCP.
• D、Host configuration options for IPv4 can be either statically assigned or assigned via DHCP.Host configuration options for IPv6 can be statically assigned only.
• E、IPv4 and IPv6 addresses c an be simultaneously assigned to a host but not to a router interface.

正确答案:A,C

第5题：

Which two tasks does the Dynamic Host Configuration Protocol perform?（）

• A、Set the IP gateway to be used by the network.
• B、Perform host discovery used DHCPDISCOVER message.
• C、Configure IP address parameters from DHCP server to a host.
• D、Provide an easy management of layer 3 devices.
• E、Monitor IP performance using the DHCP server.
• F、Assign and renew IP address from the default pool.

正确答案:C,F

第6题：

Which of the following is helpful to allow an IPv6 host to learn the IP address of a default gateway on its subnet?（）

• A、Stateful DHCP
• B、Stateless RS
• C、Stateless autoconfiguration
• D、Neighbor Discovery Protocol

正确答案:D

第7题：

Which of the following switches in Windows can be used to ping a host until stopped?（）

• A、-l
• B、-a
• C、-t
• D、-f

正确答案:C

第8题：

Which of the following command line tools can be used to display the default gateway, IP address,and DNS servers currently being used by a host?（）

• A、TRACERT
• B、IPCONFIG/ALL
• C、NSLOOKUP
• D、PING-T

正确答案:B

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第14题：

In JUNOS software, what is the purpose of the eui-64 command?（）

• A、Automatically create the IS-IS NET id.
• B、Dynamically create an OSPFV3 router id
• C、Automatically assign the host portion of an ipv6 address.
• D、Dynamically assign a mac address to an ethernet interface.

正确答案:C

第15题：

Which statement is true about IPv6?（）

• A、Only one IPv6 address can be assigned to each interface.
• B、IPv6 hosts use anycast addresses to assign IP addresses to interfaces.
• C、Each host can a utoconfigure its address without the aid of a DHCP server.
• D、Only one IPv6 address is assigned per node.

正确答案:C

第16题：

In JUNOS software， what is the purpose of the eui-64 command？（）

• A、Automatically create the IS-IS NET ID
• B、Dynamically create an MPLS router ID
• C、Automatically assign the host number of an IPv6 address.
• D、Dynamically assign a MAC address to an Ethernet interface.

正确答案:C

第17题：

Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?（）

• A、Stateful DHCP
• B、Stateless DHCP
• C、Stateless autoconfiguration
• D、Neighbor Discovery Protocol

正确答案:A,C

第18题：

Which three options are supported as address allocation mechanisms for DHCP on Cisco routers?（）

• A、The IP address can be automatically assigned to a host.
• B、The IP address can be assigned as a random hash value of the burned - in - address of the lowest - numbered LAN interface on the router.
• C、The network administrator can assign a speci fic IP address to a specific host MAC address.
• D、The IP address can be assigned from configured pools in a reverse lexicographical order.
• E、The IP address can be assigned to a host for a limited time or until the host explicitly releases the address.
• F、The IP address can be assigned to a host until the host usurps the assigned value using its own dynamic override mechanism.

正确答案:A,C,E

第19题：

Which of the following technologies can be used as a means to isolate a host OS from some types of security threats？（）

• A、Intrusion detection
• B、Virtualization
• C、Kiting
• D、Cloning

正确答案:B

第20题：

The sysdumpdev command can be used to configure remote dump devices. Which of the following conditions is NOT used for a remote dump device configuration?（）

• A、The local and the remote host must have Transmission Control Protocol/Internet Protocol (TCP/IP) installed and configured. 
• B、The remote host must support NFS. 
• C、The remote host must have an NFS exported directory defined such that the local host has read and write permissions to the dump file on the remote host. 
• D、The remote host can be the same as the local host.

正确答案:D

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