Which command can be used to modify network options？（）

第1题：

The following configuration command was issued on router TK1:ip route 172.16.3.0 255.255.255.0 192.168.2.1.Which of the following statements are true regarding this command?（）

• A、The command is used to establish a static route.
• B、The default administrative distance is used.
• C、The command is used to configure the default route.
• D、The subnet mask for the source address is 255.255.255.0
• E、The command is used to establish a stub network

第2题：

Cisco IOS NetFlow gathers data that can be used in which three of these？ （）

• A、 accounting
• B、 authentication
• C、 authorization
• D、 network monitoring
• E、 network planning

第3题：

第4题：

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

第5题：

A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? （）

• A、ARP
• B、CDP
• C、DHCP
• D、DNS
• E、ICMP

第6题：

Which two statements are true about Unicast Reverse Path Forwarding Loose Mode？（）

• A、It is used in multihome network scenarios.
• B、It can be used with BGP to mitigate DoS and DDoS.
• C、It does not need to have CEF enabled.
• D、It is enabled via the interface level command ip verify unicast reverse-path.
• E、It cannot be used with "classification" access lists.

第7题：

A Network Engineer is reporting that one of the AIX hosts is generating too much ICMP traffic, which is slowing the network.  Which of the following options is the most probable cause?（）

• A、A large FTP job is in process. 
• B、A network interface was misconfigured. 
• C、The ping command is being used excessively. 
• D、A bad network interface card and/or network cable is in use. 

第8题：

第9题：

Which statement about the ip classless router command is true?（）

• A、The ip classless command is enabled by default in recent versions of IOS.
• B、The ip classless command should only be enabled when static routing is being used instead of a routing protocol.
• C、The ip classless command should be enabled by the network administrator whenever RIPv1 or IGRP is being used.
• D、The ip classless command should be enabled by the network administrator whenever OSPF, RIPv2, or EIGRP is being used.

第10题：

Which command is used to see the path taken by packets across an IP network?（）

• A、show ip route
• B、show route
• C、traceroute
• D、trace ip route