A.The phones are not sending traffic with the correct DSCP value.
B.The Cisco CallManager is not marking the traffic correctly.
C.This is most likely a bug on the CE routers.
D.Your LAN QoS is incorrectly configured.
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A.routing issue
B.denial-of-service attack
C.MAC flooding
D.spanning-tree recalculation
E.Layer 2 loop
F.ARP spoofing attack
A. The switches are not the same model
B. You are not using the correct SFP
C. You are not using correct optical media converters
D. Configuration should be modified， because the distance is longer
A. Tunnel IPv6 over IPv4 to connect far-end IPv6 networks
B. Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is not possible
C. Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is possible
D. What is the meaning of EUI-64 and how does it work？
E. Tunnel IPv4 over IPv6 to connect far-end IPv4 networks.
A.NTP updates are sent in the timezone they are collected in，and the syslog server will adjust based on the input time.
B.NTP authentication verifies the source，not the recipient.
C.NTP authentication requires that the recipient has multiple strata clocks to ensure accuracy.
D.Secure NTP can be configured to use SHA-1 hashing，since NTP is very insecure.
E.A stratum 0 clock should be configured at the core of every network，so it can connect to an accuratetime source.
Refer to the exhibit. You are setting up a 2-gigabit EtherChannel. Following IEEE standards， the exhibit shows your configuration in a local switch1. However， EtherChannel is not coming up. Which one of these statements could be a possible reason？（）
A. EtherChannel is only available in Cisco equipment.
B. The customer side is supposed to be running PAgP, which is a Cisco standard.
C. PAgP is not an IEEE standard. VRRP should be used.
D. The configuration on switch1 needs to be modified to use LACP.
最新試題
When STP UplinkFast is enabled on a switch utilizing the default bridge priority， what will the new bridgepriority be changed to？（）
Which three protocols or applications should be placed in a class that is configured with WRED？（）
How does an IPv6 router deal with a packet that is larger than the outgoing interface MTU？（）
Two routers configured to run BGP have been connected to a firewall， one on the inside interface and one on the outside interface. BGP has been configured so the two routers should peer， including the correctBGP session endpoint addresses and the correct BGP session hop-count limit EBGP multihop. What is agood first test to see if BGP will work across the firewall？（）
Based on the exhibit presented. What will be the objective of this route map when applied to traffic passing through a router？（）
What is the correct command to set the router ID for an OSPFv3 process？（）
Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is notconfigured as a route reflector？（）
Which of these statements about penultimate hop popping are true？（）
Which two are differences between IGMPv2 and IGMPv3 reports？（）
Which protocol and port have been assigned by IANA for RADIUS authentication？（）