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Which three LAN routing protocols would be appropriate for a small retail organization with a multivendor LAN infrastructure?（）
A . IGRP
B . RIP
C . RIPv2
D . OSPF
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Which three tasks can be performed using a duplicate database? （）(Choose three.)
A . Testing the backup and recovery procedures
B . Testing the upgrade of an Oracle database to a new release
C . Testing the effect of an application changes on database performance
D . Continuously updating archive log files from the target database to support failover
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Which three protocols should be explicitly managed by using Control Plane Policing on an Internet borderrouter？（）
A . LDAP
B . ICMP
C . RTP
D . BGP
E . SSH
F . RDP
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Which three protocols or applications should be placed in a class that is configured with WRED？（）
A . HTTP
B . RTP
C . streaming video
D . BitTorrent
E . POP3
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Which three elements can a job chain process involve？（）
A . an event
B . a schedule
C . a program
D . another chain
E . a lightweight jo
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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
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Which three of these statements about Dynamic Trunking Protocol are correct？（）
A . It supports autonegotiation for both ISL and IEEE 802.1Q trunks.
B . It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.
C . It is a point-to-multipoint protocol.
D . It is a point-to-point protocol.
E . It is not supported on private VLAN ports or tunneling ports.
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When analog signals are digitized using the G.711 codec， voice samples are encapsulated into protocol data units （PDUs） involving which three headers？ （）
A . IP
B . TCP
C . RTP
D . UDP
E . H323
F . CRTP
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Which three of the protocols below belong to the application layer?（）
A . ARP
B . HTTPS
C . SMTP
D . CDP
E . TFTP
F . ICMP
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The Company network utilizes the Multiple-instance Spanning Tree protocol in its switched LAN. Which three statements about the MST protocol （IEEE 802.1S） are true？ （）
A . To verify the MST configuration， the show pending command can be used in MST configuration mode.
B . When RSTP and MSTP are configured； UplinkFast and BackboneFast must also be enabled.
C . All switches in the same MST region must have the same VLAN-to-instance mapping， but different configuration revision numbers.
D . All switches in an MST region， except distribution layer switches， should have their priority lowered from the default value 32768.
E . An MST region is a group of MST switches that appear as a single virtual bridge to adjacent CST and MST regions.
F . Enabling MST with the "spanning-tree modemst" global configuration command also enables RSTP.
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Which three protocols use TLVs to carry attributes？（）
A . Cisco Discovery Protocol
B . Label Discovery Protocol
C . Border Gateway Protocol
D . OSPF
E . RIP version 2
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Which three protocols should be explicitly managed by using a CoPP policy on an Internet border router？（）
A . SMTP
B . ICMP
C . BGP
D . SSH
E . RTP
F . BitTorrent
G . VTP
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Which three statements are true about the Internet Group Management Protocol (IGMP)? （）
A . There are three IGMP modes: dense mode, sparse mode, and sparse - dense mode
B . IGMP is used to register individual hosts with a multicast group
C . IGMP version 3 enables a multicast receiving host to specify to the router which sources it should forward traffic from
D . IGMP messages a re IP datagrams with a protocol value of 2, destination address of 224.0.0.2, and a TTL value of 1
E . IGMP is a multicast routing protocol that makes packet - forwarding decisions independent of other routing protocols such as EIGRP
F . IGMP snooping ru ns on Layer 3 router
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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.
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Which three protocols are matched by the "sdm-cls-insp-traffic" class map？ （）
A . pop3
B . ftp
C . 12tp
D . sql-net
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Which three protocols should be explicitly managed by using Control Plane Policing on an Internet border router？（）
A . LDAP
B . ICMP
C . RTP
D . BGP
E . SSH
F . RDP
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Which two protocols can have their headers compressed through MQC？（）
A . RTP
B . RTSP
C . HTTP
D . TCP
E . UDP
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Which three LAN routing protocols would be appropriate for a small retail organization with a multi-vendor LAN infrastructure？ （）
A . IGRP
B . RIP
C . RIPv2
D . OSPF
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Which three statements about the EIGRP routing protocol are true?（）
A . EIGRP supports five generic packet types, including hello, database description (DBD), link state request (LSR), link - state update (LSU), and LSAck.
B . EIGRP sends periodic hello packets to the multicast IP address 224.0.0.10.
C . EIGRP will not form a neighbor relationship with another peer when their K values are mismatched.
D . EIGRP sends periodic hello packets to the multicast IP address 224.0.0.9.
E . E IGRP will form a neighbor relationship with another peer even when their K values are mismatched.
F . EIGRP supports five generic packet types, including hello, update, query, reply, and ACK packets.
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The Cisco SDM can configure most， but not all， routing protocols. Which two of these routing protocols can be configured using SDM？ （Choose two.）（）
A . BGP
B . IGRP
C . ISIS
D . OSPF
E . EIGRP
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Which three protocols should be explicitly managed by using a CoPP policy on an Internet border router？（）
A . SMTP
B . ICMP
C . BGP
D . SSH
E . RTP
F . BitTorrent
G . VTP
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Which three techniques should be used to secure management protocols？（）
A . Configure SNMP with only read-only community strings.
B . Encrypt TFTP and syslog traffic in an IPSec tunnel.
C . Implement RFC 3704 filtering at the perimeter router when allowing syslog access from devices on the outside of a firewall.
D . Synchronize the NTP master clock with an Internet atomic clock.
E . Use SNMP version 2.
F . Use TFTP version 3 or above because these versions support a cryptographic authentication mechanism between peers.
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Which two authentication protocols can be configured for RIP on an ERX Edge Router？ （）
<img src='https://img2.soutiyun.com/ask/uploadfile/2019-02-04/9cb7f203763345bf6fd3540a277f14f4.jpg' />
A．A
B．B
C．C
D．D
