Which three protocols use UDP as a transport protocol by default?（）A、HTTPB、TFTPC、DNSD、SNMPE、SMTP

第1题：

A router learns about a remote network from EIGRP, OSPF, and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network（）。

• A、The router will use the static route.
• B、The router will use the OSPF route.
• C、The router will use the EIGRP route.
• D、The router will load balance and use all three routes.

第2题：

On router R1， which three of the following protocols will be forwarded to a host specified by the "iphelper-address" interface configuration command if the configuration has not been modified by the"ip forward-protocol udp" global configuration command？（）

• A、BOOTP
• B、TFTP
• C、ARP
• D、DNS
• E、proxy-ARP
• F、FTP
• G、CDP

第3题：

In the use of 802.1X access control， which three protocols are allowed through the switch port  before authentication takes place？ （）

• A、 STP
• B、 CDP
• C、 EAP MD5
• D、 TACACS+
• E、 EAP-over-LAN
• F、 protocols not filtered by an ACL

第4题：

Which three protocols use UDP as a transport protocol by default?（）

• A、HTTP
• B、TFTP
• C、DNS
• D、SNMP
• E、SMTP

第5题：

Which two protocols can have their headers compressed through MQC？（）

• A、RTP
• B、RTSP
• C、HTTP
• D、TCP
• E、UDP

第6题：

Which of the following protocols can be found at the application layer?（）

• A、Telnet
• B、TCP
• C、SNMP
• D、UDP

第7题：

Which of the following routing protocols runs over UDP and determines path based upon distancevectors?（）

• A、RIP
• B、DSI
• C、BGP
• D、IS-IS

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第13题：

Which three configuration tasks are required to successfully deploy NBAR to recognize TCP and UDP stateful protocols？ （）

• A、over leased lines， use the multilink ppp command to reduce latency and jitter， and to create Distributed Link Fragmentation and interleaving
• B、use the service-policy command to attach a traffic flow to an interface on the router
• C、use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses， and to guarantee admission of any flows
• D、use the policy-map command to define one or more QoS policies （such as shaping， policing， and so on） to apply to traffic defined by a class map
• E、use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP value
• F、use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified

第14题：

Which three configuration tasks are required to successfully deploy NBAR to recognize TCP and UDP stateful protocols？（）

• A、Over leased lines，use the multilink ppp command to reduce latency and jitter，and to create Distributed Link Fragmentation and interleaving.
• B、Use the service-policy command to attach a traffic flow to an interface on the router.
• C、Use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses，and toguarantee admission of any flows.
• D、Use the policy-map command to define one or more QoS policies （such as shaping，policing，and so on） to apply to traffic defined by a class map.
• E、Use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP value.
• F、Use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified.

第15题：

Which three of the following protocols will be forwarded to a host specified by the ip helper - address interface configuration command if the configuration has not been modified by the ip forward - protocol udp global con figuration command?（）

• A、BOOTP
• B、TFTP
• C、ARP
• D、DNS
• E、proxy - ARP
• F、FTP

第16题：

A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）

• A、The router will use the static route.
• B、The router will use the OSPF route.
• C、The route will use the EIGRP route.
• D、The router will load balance and use all three routes.

第17题：

pany is implementing 802.1X in order to increase network security. In the use of 802.1X   access control，  which three protocols are allowed through the switch port before authentication  takes place？ （）

• A、 EAP-over-LAN
• B、 EAP MD5
• C、 STP
• D、 protocols not filtered by an ACL
• E、 CDP
• F、 TACACS+

第18题：

Which of the following protocols is used by thin clients?（）

• A、IPX
• B、NetBIOS
• C、RDP
• D、UDP

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