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642-066 : Advanced Routing and Switching for Field Engineers Last Updated Wednesday, July 02, 2008 with 146 Questions

Advanced Routing and Switching for Field Engineers
Exam Number: 642-066 Exam
Associated Certifications: Advanced Routing and Switching for Field Engineers
Duration: 68 Q&As

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QUESTION 1
In MPLS networks, what is the benefit of disabling TTL propagation?
A. To provide a visible extension of MPLS TTL functionality in a non-MPLS-enabled
domain
B. To improve the IGP convergence time
C. To hide visibility to the core (provider) routers in the MPLS network
D. To provide a visible extension of IP TTL functionality in an MPLS-enabled domain
E. To improve MPLS convergence time
Answer: C
QUESTION 2
You have just configured HSRP group 10 in your network. Which MAC address will
your default gateway use?
A. 0000.5E00.010a
B. 0000.0c07.ac0a
C. 0000.0c07.0110
D. 000.0cac.070a
E. 0000.5e00.0110
Answer: B
QUESTION 3
Which two of the following statements are true about HSRP load sharing? (Choose two.)
A. The return traffic is influenced by HSRP load sharing configuration
B. It is achieved by using more than one HSRP group
C. It is used to offload the active router in a certain HSRP group
D. It is done in regards to either round robin or weight basis
E. Single group HSRP is used to achieve more efficient link utilization
Answer: B,C
QUESTION 4
On a Cisco Catalyst 4500 Series, the fail LED is lit for one if its two power supplies.
Which command would you use to check on this problem?
A. Show module
B. Show errdisable detect
C. Show environment
D. Show diagnostic content
E. Show hardware
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Answer: C
QUESTION 5
Exhibit:
You work as a network engineer at Certkiller .com. You study the exhibit carefully.
Which catalyst switch configuration would protect a customer network from possible
disruption in the case in which an unauthorized switch is added to the network?
A. Certkiller 1# show run
Hostname Certkiller 1
No spaning-tree optimize bpdu transmission
Spanning-tree extend system-id
Interface fastetethernet 0/1
Switchport mode access
B. Certkiller 1# show run
Hostname Certkiller 1
No spaning-tree optimize bpdu transmission
Spanning-tree extend system-id
Interface fastetethernet 0/1
Switchport port-security violation restrict
C. Certkiller 1# show run
Hostname Certkiller 1
Spanning-tree portfast bpduguard default
No spaning-tree optimize bpdu transmission
Spanning-tree extend system-id
Interface fastetethernet 0/1
Spanning-tree gurad root
D. Certkiller 1# show run
Hostname Certkiller 1
No spaning-tree optimize bpdu transmission
Spanning-tree extend system-id
Interface fastetethernet 0/1
Switchport protected
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Answer: C
QUESTION 6
When HSRP is configured on a network, which two of these items are provided, which
are shared between the routers that run HSRP? (Choose two.)
A. Shared single interface
B. IP Address
C. TCP-based hello packets
D. MAC address
E. UDP-based hello packets
Answer: B,D
QUESTION 7
Exhibit:
You work as a network engineer at Certkiller .com. You study the exhibit carefully. What
is the HSRP state and priority of this interface after HSRP reaches its steady state?
A. Active, Priority 201
B. Standby, Priority 201
C. Standby, Priority 151
D. Standby, Priority 251
E. Active, Priority 251
F. Active, Priority 151
Answer: C
QUESTION 8
Exhibit:
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You work as a network engineer at Certkiller .com. You study the exhibit carefully. You
want to minimize the downtime that results form supervisor engine switchovers on Cisco
6500 Series Switches and Cisco 7600 Series Routers. To achieve this, you are
considering deploying a Cisco Nonstop Forwarding with stateful switchover solution
using OSPF.
In the Exhibit you can see the output of the show ip ospf neighbor detail command.
Which trait of systems using Cisco Nonstop Forwarding with Stateful Switchover and
OSPF is shown in the exhibit output and will impact your plan?
A. Cisco Nonstop Forwarding with Stateful Switchover helper mode for OSPF has benn
standardized and is supported on the adjacent router
B. Stateful Switchover for Cisco NonStop Forwarding must be configured on all adjacent
routers
C. Cisco NonStop Forwarding with stateful Switchover helper mode is not supported on
the adjacent router
D. Stateful Switchover for Cisco NonStop forwarding only works with BGP
Answer: A
QUESTION 9
Exhibit:
You work as a network engineer at Certkiller .com. You study the exhibit carefully. For
interface FastEthernet 0/0, what will happen to dscp af11 traffic if the queue for class
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“newclass” reaches a depth of 40?
A. Packets will be dropped according to the exponential weight setting
B. All packets will be dropped
C. A random number of packets will be dropped
D. One put of ten packets will be dropped
E. No packets will be dropped until the queue depth reaches 265
Answer: B
QUESTION 10
When EIGRP is used as the PE-CE routing protocol which of these statements is correct?
A. EIGRP can be used only as the PE-CE routing protocol if the PE and CE routers are in
the same AS
B. Other EIGRP AS routes are automatically advertised to the CE router and do not
require a redistribution configuration command to be configured
C. Unlike other routing protocols that are used between PE and CE routers, EIGRP
supports backdoor links
D. Configure of the VPN is only required on the PE router
E. When using EIGRP as the PE-CE routing protocol, EIGRP does not require a VRF