A.232.0.0.0/8
B.239.0.0.0/8
C.232.0.0.0/4
D.FF3x：：/32
E.FF2x：：/32
F.FF3x：：/16
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A.FCS errors
B.Runts
C.Multiple collisions
D.Alignment errors
A.For each such address and mask /32, one label binding is created.
B.As the TCP endpoint, IP addresses are used by the LDP session.
C.These addresses are used to find the label binding to put in the LFIB, by looking up these IP addresses in the routing table.
D.These addresses are used for penultimate hop popping (PHP) when forwarding packets to the next router directly.
A.IPsec site-to-site VPN
B.Cisco AutoSecure
C.Cisco IOS Firewall
D.IPS
A.LDAP
B.ICMP
C.RTP
D.BGP
E.SSH
F.RDP
A.VRF definition for IPv6
B.MP BGP for IPv6
C.LDP
D.VRF-enabled routing protocol
E.VRF-enabled interface
A.routing issue
B.denial-of-service attack
C.MAC flooding
D.spanning-tree recalculation
E.Layer 2 loop
F.ARP spoofing attack
A.CIR=TC/Bc
B.CIR=Be/Tc
C.Tc=CIR/Bc
D.Tc=Bc/CIR
A.Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.
B.R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.
C.R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.
D.All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.
A.Virtual Router Redundancy Protocol（VRRP）
B.File Transport Protocol（FTP）
C.Hot Standby Routing Protocol（HSRP）
D.Web Cache Communication Protocol（WCCP）
A.Before sending traffic, it must first join multicast group 239.1.1.1 by sending an IGMPv2 membership report to the default router on the local subnet.
B.It must send an IGMPv2 Request to Send packet and then wait for an IGMPv2 Clear to Send packet from the IGMPv2 querier router on the local subnet
C.It may begin transmitting multicast traffic to the group only when there is no other host transmitting to the group on the local subnet.
D.It may transmit multicast traffic to the group at any time.
最新試題
Which IOS security feature is configured by the ip inspect inspection-name {in out} command？（）
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？（）
What is the STP root guard feature designed to prevent？（）
Which three statements are true about policing？ （）
When a BGP router is not capable of understanding 4-byte AS numbers， it will see 4-byte AS numbers as a special， reserved， 2-byte AS number in the AS path. Which 2-byte AS number is this reserved one？（）
Choose two commands that are required to enable multicast on a router， when it is known that the receivers use a specific functionality of IGMPv3.（）
Phase I and Phase II DMVPN differ in terms of which of these characteristics？（）
Multicast is being deployed in the network， and only ip pim sparse-dense mode has been configured on all interfaces in the network to support a new video streaming application. No other multicast configuration was applied anywhere in the network. Since enabling multicast， the network monitoring tools show periodic spikes in link utilization throughout the network， even in areas where the video application is not being used. What could be a possible cause？（）
Which three are needed to run VRF lite for IPv6 on a router？ （）
Which router is doing LSA type 7 to type 5 translation，and why？（）