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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. The correct statement regarding the defense of malformed messages is ______ .

A) needle for Teardrop , information may be cached fragment attack by class, each source, the purpose of the IP , the packet ID the same set of configuration, the maximum cache 10,000 groups , the data in the buffer reaches a maximum when directly discards fragmented, while According to the cached fragmentation information, analyze the legitimacy of IP packet segmentation, and directly discard illegal IP packets to resist attacks
B) abnormal shaped packet attacks targeted defense needs for each attack
C) needles of ping of death attacks by detecting sensing Ping whether the request packet over a length of over 65536 bytes to discriminate whether the attack packets, if the length exceeds 65536 bytes, the packet will be discarded.
D) needle deformity TCP packet attack, by determining TCP determines whether the packet is a packet attack packet flag for .6 flag bits are all 1 or .6 flag bits are all is 0 or SN and FIN simultaneously It is a packet discards

2. The business transmission between departments of an enterprise needs to adopt IPSec to provide end-to-end security protection, and data must be encrypted for transmission.
According to the requirements of the enterprise's business transmission security, which encapsulation protocol should IPSec use ? ( Choose one or more )

A) ESP Encapsulation Protocol
B) AH encapsulation protocol
C) ESP+AH encapsulation protocol
D) DES Encapsulation Protocol

3. Configure the following commands on the MSR router:
qos pql 1 protocol-ip-tcp1000 queue-top
qos pql 1 protocol-ip-tcp1001 queue-middle
qos pql 1 protocol-ip-tcp1002queue-normal
qos pql 1 protocol-ip-tcp1003 queue-bottom
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos lr outbound cir 10000 cbs 625000 ebs 0
qos pq pql 1
qos rtpq start-port 16384 end-port 32767 bandwidth 1000 cbs 25000
Then when the destination port are 1000 , 1001 , 1002 and 1003 of the TCP packet and matching with RTPQ the flow rates of at 4Mbps speed feed into the MSR , and from the side port G0 / 1 forwarding, the following statements is correct is ______

A) Head of port 1001 of TCP packet forwarding rate is 4Mbps
B) Head of port 1000 of TCP packet forwarding rate is 4Mbps
C) Head of port 1003 of TCP packet forwarding rate is 0
D) Head of the port 1002 of TCP packet forwarding rate is 2.4Mbps
E) The forwarding rate of RTPQ traffic packets is about 2.4Mbps

4. The CPE in the following options is ____ .

A) Wide band router / modem
B) machine top box
C) DSLAM
D) access the server
E) cable mode m
F) access into the switch

5. Which of the following descriptions about L2TP tunnel ( Tunnel ) and L2TP session ( Session ) are correct is ____ .( Choose one or more )

A) with one pair of LNS and LAC can establish one or more between the L2TP tunnel
B) with one pair of LNS and LAC can only be established between a L2TP tunnel
C) L2TP session can be carried out before L2TP tunnel is established
D) The L2TP session must be carried out after the L2TP tunnel is established

Solutions: