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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. PPP link transmission portion of the packet header information remains the same, in order to improve the throughput of the link, it may be considered by ______ mechanism.

A) IP packet header compression
B) link channel and slice interleave
C) PPP packets of STAC-LZS algorithm
D) VJ TCP header compression

2. About MPLS label to sign in S description field of the right is _______ .

A) S word segment only .1 th bit
B) S is 0 indicates that the MPLS standard tab first, last a MPLS label, followed by a MPLS packet payload
C) S is 1 indicates that the MPLS label one last a th MPLS label, followed by a MPLS packet payload
D) S used to identify the presence or absence in the MPLS nested label, a packet can have more than one MPLS label

3. In the BGP MPLS VPN networking, the public network label will not exist in which of the following locations _______ .

A) In the private network packet forwarded by the PE to the P device
B) In the private network packet forwarded by PE to CE
C) Private network routing between PE and CE
D) Private network routing between PEs

4. Which of the following descriptions about GRE is wrong ? ( Choose one or more )

A) using IP overIP the GRE encapsulation, public network and the private network interface address may coincide
B) GRE VPN is limited to the transmission of unicast data
C) GRE uses the Ethernet protocol type Ox0800 to identify the payload packet as IP
D) bearing carrier IP header to UDP port number 47 identifies the GRE header

5. The information displayed on the MSR router is as follows:
acl number 2000
rule 0 permit source 192.168.0.0 0.0.0.255
acl number 2002
rule 0 permit source 192.168.2.0 0.0.0.255
#
traffic classifier 2 operator and
if-match acl 2002
traffic classifier 1 operator and
if-match acl 2000
#
traffic behavior 2
queue af bandwidth pct 30
traffic behavior 1
queue ef bandwidth pct 30 cbs-ratio 25
#
qos polic test
classifier 1 behavior 1
classifier 2 behavior 2
#
interface GigabitEthernet0/1
port link-mode route
duplex full
speed 10
ip address 192.168.1.1 255.255.255.0
qos appl polic test outbound
When the traffic rate of the packets with the source addresses of 192.168.0.2 , 192.168.2.2 , and 192.168.3.2 are 4Mbps , 4Mbps , 6Mbps , and no other background traffic is forwarded from port G0/1_ .Then the following statement is incorrect is _____

A) The forwarding rate of packets with the source address of 192.168.0.2 is about 4Mbps
B) The forwarding rate of packets with the source address of 192.168.0.2 is about 2.7Mbps
C) The forwarding rate of packets with the source address of 192.168.0.2 is about 3Mbps
D) The forwarding rate of packets with the source address of 192.168.2.2 is about 2.7Mbps
E) The forwarding rate of packets with the source address of 192.168.2.2 is about 4Mbps
F) The forwarding rate of packets with the source address of 192.168.2.2 is about 3Mbps

Solutions: