642-052 Exam
Routing and Switching SE/FE
- Exam Number/Code : 642-052
- Exam Name : Routing and Switching SE/FE
- Questions and Answers : 180 Q&As
- Update Time: 2011-09-21
- Price:
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Cisco Others 642-052 exam braindumps questions and answers
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Exam : Cisco 642-052
Title : Routing and Switching SE/FE
1. Given the configuration:access-list 101 permit ip any anyaccess-list 101 deny tcp any any eq ftpdialer-list 2 protocol ip list 101Which two statements about the configuration are true with respect to FTP traffic and DDR? (Choose two.)
A. FTP traffic will be forwarded.
B. FTP traffic will not be forwarded.
C. FTP will cause the line to come up.
D. Since FTP uses two sockets, both must be defined to prevent packet forwarding.
Answer: AC
2. Which QoS technique avoids the problems that occur when tail drop is used as the congestion avoidance mechanism on the router?
A. RSVP
B. WRED
C. CAR
D. CBWFQ
Answer: B
3. What is the default action of authentication when AAA is enabled but authentication is not set?
A. Allow a user to access all resources after login.
B. Disallow a user from access to all resources after login.
C. Record all access of resources and who long the user accessed each resources.
D. Not to record any access of resources the users accessed after login.
E. Allow any user to login without checking the authentication database.
F. Disallow any user from logging in with or without a valid username and password.
Answer: F
4. What feature of the EZ VPN Remote makes it desirable to have Proxy DNS server support for the PCs attached to the VPN?
A. Client mode with connect auto
B. Client mode with connect manual
C. Network Extension mode with connect auto
D. Network Extension mode with connect manual
Answer: B
5. Which two routers support the use of Etherswitch modules and provide power to IP phones with the use of an external power supply? (Choose two.)
A. Cisco 2650
B. Cisco 2691
C. Cisco 3725
D. Cisco 3745
Answer: AB
6. Which command displays the number of successful and failed calls?
A. show dialer
B. show interface
C. show isdn q931
D. show isdn active call
Answer: A
7. What are two purposes of the ACL sub-command in the crypto isakmp client configuration group {group-name | default} command? (Choose two.)
A. enables split tunneling
B. disables split tunneling
C. indicates the protected range
D. indicates the unprotected range
Answer: AC
8. Which technology allows a service provider to support overlapping customer VLAN IDs over transparent LAN services?
A. 802.1q tunneling
B. ATM
C. SDH
D. IP+Optical
Answer: A
9. What are three disadvantages of a router-on-a-stick configuration for InterVLAN routing? (Choose three.)
A. InterVLAN routing cannot be filtered by the router.
B. The router becomes a single point of failure for the network.
C. Routers will not route STP BPDUs.
D. There is a possibility of inadequate bandwidth for each VLAN.
E. Additional overhead on the router can occur.
F. NetFlow Switching is required for InterVLAN accounting.
Answer: BDE
10. Which three statements are correct with regard to the IEEE 802.1Q standard? (Choose three.)
A. the packet is encapsulated with a 26 byte header and a 4 byte FCS
B. the IEEE 802.1Q frame format adds a 4 byte field to a Ethernet frame
C. the IEEE 802.1Q frame retains the original MAC destination address
D. the IEEE 802.1Q frame uses multicast destination of 0x01-00-0c-00-00
E. protocol uses point-to-point connectivity
F. protocol uses point-to-multipoint connectivity
Answer: BCE
11. You have been asked to provide a router with thirty 10/100 Ethernet interfaces and room for more for future growth. The router must also provide security in the form of firewalls for each Ethernet interface.Which router should you install?
A. Cisco 7206
B. Cisco 7304
C. Cisco 7513
D. Cisco 7603
Answer: D
12. Which implementation of SPAN is designed to support source ports, source VLANs, and destination ports across different switches?
A. RVSPAN
B. MSPAN
C. VSPAN
D. RSPAN
Answer: D
13. What is the purpose of the dialer-list command when configuring a router to initiate a dial-on-demand routing ISDN call?
A. It defines call destination parameters.
B. It defines what constitutes interesting traffic.
C. It provides for optional call parameters.
D. It assigns a dialer-group to an interface.
Answer: B
14. What does the Cisco 3725 have?
A. 2 network module slots, 3 VWIC slots, and 2 AIM slots
B. 1 network module slot, 3 VWIC slots, and 2 AIM slots
C. 3 network module slots, 2 VWIC slots, and 2 AIM slots
D. 2 network module slots, 3 VWIC slots, and 3 AIM slots
Answer: A
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