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시험 이름: Implementing Cisco IP Switched Networks
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업데이트: 2014-06-29
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시험 이름: LCSE Cisco Lifecycle Services Express
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NO.1 Refer to the exhibit.
DHCP snooping is enabled for selected VLANs to provide security on the network. How do the switch
ports handle the DHCP messages?
A. A DHCPOFFER packet from a DHCP server received on Ports Fa2/1 and Fa2/2 is dropped.
B. A DHCP packet received on ports Fa2/1 and Fa2/2 is dropped if the source MAC address and the
DHCP client hardware address does not match Snooping database.
C. A DHCP packet received on ports Fa2/1 and Fa2/2 is forwarded without being tested.
D. A DHCPRELEASE message received on ports Fa2/1 and Fa2/2 has a MAC address in the DHCP
snooping binding database, but the interface information in the binding database does not match the
interface on which the message was received and is dropped.
Answer: C
Cisco인증 642-813자격증 642-813시험
NO.2 Which statement is true about RSTP topology changes?
A. Any change in the state of the port generates a TC BPDU.
B. Only nonedge ports moving to the forwarding state generate a TC BPDU.
C. If either an edge port or a nonedge port moves to a block state, then a TC BPDU is generated.
D. Only edge ports moving to the blocking state generate a TC BPDU.
E. Any loss of connectivity generates a TC BPDU.
Answer: B
Cisco 642-813 Dump 642-813덤프 642-813 IT시험덤프 642-813최신버전덤프
NO.3 Refer to the exhibit.
GLBP has been configured on the network. When the interface serial0/0/1 on router R1 goes down, how
is the traffic coming from Host1 handled?
A. The traffic coming from Host1 and Host2 is forwarded through router R2 with no disruption.
B. The traffic coming from Host2 is forwarded through router R2 with no disruption. Host1 sends an ARP
request to resolve the MAC address for the new virtual gateway.
C. The traffic coming from both hosts is temporarily interrupted while the switchover to make R2 active
occurs.
D. The traffic coming from Host2 is forwarded through router R2 with no disruption. The traffic from Host1
is dropped due to the disruption of the load balancing feature configured for the GLBP group.
Answer: A
Cisco pdf 642-813시험일정 642-813시험문제
NO.4 Refer to the exhibit.
Which four statements about this GLBP topology are true? (Choose four.)
A. Router A is responsible for answering ARP requests sent to the virtual IP address.
B. If router A becomes unavailable, router B forwards packets sent to the virtual MAC address of router A.
C. If another router is added to this GLBP group, there would be two backup AVGs.
D. Router B is in GLBP listen state.
E. Router A alternately responds to ARP requests with different virtual MAC addresses.
F. Router B transitions from blocking state to forwarding state when it becomes the AVG.
Answer: ABDE
Cisco dumps 642-813자격증시험 642-813기출문제 642-813 IT시험덤프 642-813 Dump
NO.5 Refer to the exhibit.
The web servers WS_1 and WS_2 need to be accessed by external and internal users. For security
reasons, the servers should not communicate with each other, although they are located on the same
subnet. However, the servers do need to communicate with a database server located in the inside
network. Which configuration isolates the servers from each other?
A. The switch ports 3/1 and 3/2 are defined as secondary VLAN isolated ports. The ports connecting to
the two firewalls are defined as primary VLAN promiscuous ports.
B. The switch ports 3/1 and 3/2 are defined as secondary VLAN community ports. The ports connecting to
the two firewalls are defined as primary VLAN promiscuous ports.
C. The switch ports 3/1 and 3/2 and the ports connecting to the two firewalls are defined as primary VLAN
promiscuous ports.
D. The switch ports 3/1 and 3/2 and the ports connecting to the two firewalls are defined as primary VLAN
community ports.
Answer: A
Cisco IT자격증시험 642-813자격증덤프 642-813자격시험
NO.6 Refer to the exhibit.
Host A has sent an ARP message to the default gateway IP address 10.10.10.1. Which statement is true?
A. Because of the invalid timers that are configured, DSw1 does not reply.
B. DSw1 replies with the IP address of the next AVF.
C. DSw1 replies with the MAC address of the next AVF.
D. Because of the invalid timers that are configured, DSw2 does not reply.
E. DSw2 replies with the IP address of the next AVF.
F. DSw2 replies with the MAC address of the next AVF.
Answer: F
Cisco최신덤프 642-813 IT시험덤프 642-813덤프자료 642-813시험정보 642-813시험후기 642-813
NO.7 Refer to the exhibit.
Which VRRP statement about the roles of the master virtual router and the backup virtual router is true?
A. Router A is the master virtual router, and router B is the backup virtual router. When router A fails,
router B becomes the master virtual router. When router A recovers, router B maintains the role of master
virtual router.
B. Router A is the master virtual router, and router B is the backup virtual router. When router A fails,
router B becomes the master virtual router. When router A recovers, it regains the master virtual router
role.
C. Router B is the master virtual router, and router A is the backup virtual router. When router B fails,
router A becomes the master virtual router. When router B recovers, router A maintains the role of master
virtual router.
D. Router B is the master virtual router, and router A is the backup virtual router. When router B fails,
router A becomes the master virtual router. When router B recovers, it regains the master virtual router
role.
Answer: B
Cisco기출문제 642-813자격증자료 642-813응시료 642-813최신덤프
NO.8 Which description correctly describes a MAC address flooding attack?
A. The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking
device then becomes the destination address found in the Layer 2 frames sent by the valid network
device.
B. The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking
device then becomes the source address found in the Layer 2 frames sent by the valid network device.
C. The attacking device spoofs a destination MAC address of a valid host currently in the CAM table. The
switch then forwards frames destined for the valid host to the attacking device.
D. The attacking device spoofs a source MAC address of a valid host currently in the CAM table.
The switch then forwards frames destined for the valid host to the attacking device.
E. Frames with unique, invalid destination MAC addresses flood the switch and exhaust CAM table space.
The result is that new entries cannot be inserted because of the exhausted CAM table space, and traffic is
subsequently flooded out all ports.
F. Frames with unique, invalid source MAC addresses flood the switch and exhaust CAM table space.
The result is that new entries cannot be inserted because of the exhausted CAM table space, and traffic is
subsequently flooded out all ports.
Answer: F
Cisco덤프 642-813시험문제 642-813후기 642-813후기 642-813 Dump
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