单项选择题X 纠错
A.mark VOIP traffic with IP precedence 6 and configure only fair-queue’ on the links
B.configure the scheduler allocate 3000 1000 command to allow the OoS code to have enough CPU cycles
C.enable class-based traffic shaping on the VOIP traffic class
D.enable Layer 2 fragmentation and interleaving on the links
E.enable Frame Relay on the links and send voice and data on different Frame Relay PVCs
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单项选择题
A.1) lowest root bridge id,2) lowest sender bridge id,3) lowest port id,4) lowest root path cost
B.1) lowest root path cost,2) lowest root bridge id,3) lowest sender bridge id,4) lowest sender port id
C.1) lowest root bridge id,2) lowest sender bridge id,3) lowest root path cost,4) lowest sender port id
D.1) lowest root bridge id,2) lowest root path cost,3) lowest sender bridge id,4) lowest sender port id
单项选择题
A.VTP updates are ignored and forwarded out all ports.
B.VTP updates are ignored and forwarded out trunks only.
C.VTP updates are made to the VLAN database and are forwarded out trunks only.
D.VTP updates are ignored and are not forwarded.
单项选择题
A.8192
B.16384
C.49152
D.65535
多项选择题
A.Designated Root Cost
B.bridge ID priority
C.max age
D.bridge ID MAC address
E.Designated Root Priority
F.forward delay
单项选择题
A.one global STP instance for all VLANs
B.one STP instance for each VLAN
C.one STP instance per set of VLANs
D.one STP instance per set of bridges
单项选择题
A.Attempt to TELNET from the router connected to the inside of the firewall to the router connected to theoutside of the firewall. If telnet works, BGP will work, since telnet and BGP both use TCP to transportdata.
B.Ping from the router connected to the inside interface of the firewall to the router connected to theoutside interface of the firewall. If you can ping between them, BGP should work, since BGP uses IP totransport packets.
C.There is no way to make BGP work across a firewall without special configuration, so there is no simpletest that will show you if BGP will work or not, other than trying to start the peering session.
D.There is no way to make BGP work across a firewall.
多项选择题
A.ip pim rp-address
B.ip pim ssm
C.ip pim sparse-mode
D.ip pim passive
单项选择题
A.MD5
B.There is no Type 0 authentication
C.SHA1
D.Null
单项选择题
A.UDP/1812
B.UDP/1813
C.TCP/1812
D.TCP/1813
单项选择题
A.The MPLS header is 2 bytes,and the EXP field is 3 bits long.
B.The MPLS header is 1 byte,and the EXP field is 3 bits long.
C.The MPLS header is 4 bytes,and the EXP field is 3 bits long.
D.The MPLS header is 3 bytes,and the EXP field is 3 bits long.