One service IP l

第1题：

How many IP addresses can be configured in a given interface?（）

• A、one primary and one secondary IP address
• B、one IP address
• C、as many IP addresses as you want
• D、one primary and multiple secondary IP addresses

第2题：

Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?（）

• A、ISDN
• B、Frame Relay
• C、ATM
• D、FDDI

第3题：

第4题：

Your Cisco network currently runs OSPF and you have a need to policy-route some specific traffic，regardless of what the routing table shows. Which one of these options would enable you to policy-route the traffic?（）

• A、source IP address and the protocol （such as SSL，HTTPS，SSH）
• B、the packet Time to Live and the source IP address
• C、type of service header and DSCP value
• D、destination IP address

第5题：

In a configuration with redundant supervisors， how many IP addresses are required to configure full remote access via management 0？（）     

• A、 two IP addresses， one for each supervisor
• B、 three IP addresses， one virtual IP and one physical IP for each supervisor
• C、 one IP address that is shared among supervisors
• D、 none—management 0 will use the IP address from the first SVI that is created

第6题：

How does the Ethernet Relay Service use the VLAN tag？（）

• A、 to provide service internetworking
• B、 to support transparency for Layer 2 frames
• C、 as a connection identifier to indicate destination
• D、 as a mapping to the DLCI in service internetworking
• E、 to provide a trunk by which all VLANs can navigate from one site to one or multiple sites

第7题：

An administrator mistakenly shutdown production after a fallover because the service IP address  Was shifted from the normal production node to the standby node.  What can be done to avoid this type of mistake in the future？（）  

• A、 Include the service IP address in the administrator’s PS1 prompt
• B、 Alias the service IP address to the hostname in the /etc/host file
• C、 Define a persistent IP address with HACMP and make it a practice to use the persistent address for administration work
• D、 Add a DNS entry to map the standby node name to the service IP address so telnet connections will be to the correct node

第8题：

How does ERS use the VLAN tag?（）

• A、to provide service internetworking
• B、to support transparency for Layer 2 frames
• C、as a connection identifier to indicate destination
• D、as a mapping to the DLCI in service internetworking
• E、to provide a trunk by which all VLANs can navigate from one site to one or multiple sites

第9题：

Which four of these key points should be considered during implementation of PPPoA architecture？（）

• A、the number of subscribers that will be serviced currently and in the future because this affects the number of required PPPoA sessions
• B、The types of applications that the NSP offers to the end subscriber
• C、The capacity of ATM and Frame Relay interworking on the NSP
• D、in the case of more than one user， whether all users need to reach the same final destination orservice，or they all have different service destinations
• E、Whether the service provider or the final service destination is providing the IP address to the CPE of the subscriber

第10题：

Which of the following statements is true about IPAT via IP replacement？（）  

• A、 Configuration of Hardware Address Takeover is supported.
• B、 Fewer physical network interface cards are required in the cluster.
• C、 It is the default for keeping a service IP labels highly available.
• D、 None-service ip labels must use different subnets than service IP labels.