單項選擇題You are the network administrator of an enterprise company that just deployed a global IP telephony environment. In order to guarantee good voice quality, you asked your provider to implement QoS on the CE routers of your MPLS network. On your LAN, you have also deployed QoS. Users, however, keep complaining about bad voice quality, and the provider does not see matches on the DSCP values that you have asked him to match upon. What is most likely the problem?()

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.


您可能感興趣的試卷

你可能感興趣的試題

4.單項選擇題Which statement is correct about an OSPF sham-link?()

A.A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
B.A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
C.A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.
D.A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
E.A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.

5.單項選擇題Which router is doing LSA type 7 to type 5 translation,and why?()

A.Both RTA and RTB will do LSA7/5 translation,since they are both NSSA ABRs
B.RTA will do LSA7/5 translation,since it has the lower router ID
C.RTB will do LSA7/5 translation,since it has the higher router ID
D.The redistributing router will do LSA7/5 translation,since it is within the NSSA

最新試題

In GLBP, which router will answer on client ARP requests?()

題型:單項選擇題

An administrator of a peer-to-peer server application reports that the maximum bandwidth that his application receives is 90 Mb/s. You have an 8-port,100-Mb/s EtherChannel bundle on the switching infrastructure between the two servers, resulting in a bidirectional throughput of more than what is recorded. Which two solutions would allow for more bandwidth for the application?()

題型:多項選擇題

Phase I and Phase II DMVPN differ in terms of which of these characteristics?()

題型:單項選擇題

Which one of the following potential issues is eliminated by using split horizon?()

題型:單項選擇題

In which way can the IPv6 address of 2031:0000:130F:0000:0000:09C0:876A:130B be expressed most efficiently?()

題型:單項選擇題

What is the STP root guard feature designed to prevent?()

題型:單項選擇題

Which switch port error is an indication of duplex mismatches on 10/100/1000 IEEE 802.3u  Gigabit Ethernet ports?()

題型:單項選擇題

You are the network administrator of a Layer 3 switched network. Users in one VLAN are complaining that access to the server VLAN is very slow from time to time. Traffic in the local VLAN works without any issue, and users in other VLANs do not have any complaint to reach the server VLAN. What is most likely the cause of this issue?()

題型:單項選擇題

f a Cisco switch is configured with VTPv1 in transparent mode, what is done with received VTP advertisements?()

題型:單項選擇題

What is the command to configure RSVP to reserve up to one-tenth of a Gigabit link, but only allow each individual flow to use 1 MB/s?()

題型:單項選擇題