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CCNA 4 Chapter 6 V4.0 Answers
1. Which two protocols can be used to encapsulate traffic that is traversing a VPN
tunnel? (Choose two.)
ATM
CHAP
IPsec
IPX
MPLS
PPTP


2. What are the three main functions of a secure VPN? (Choose three.)
accounting
authentication
authorization
data availability
data confidentiality
data integrity

3. Data confidentiality through a VPN can be enhanced through the use of which
three encryption protocols? (Choose three.)
AES
DES
AH
hash
MPLS
RSA

4. While monitoring traffic on a cable network, a technician notes that data is being
transmitted at 38 MHz. Which statement describes the situation observed by the
technician?
Data is being transmitted from the subscriber to the headend.
Data is flowing downstream.
Cable television transmissions are interfering with voice and data transmissions.
The system is experiencing congestion in the lower frequency ranges.

5. Which two statements are valid solutions for a cable ISP to reduce congestion for
users? (Choose two.)
use higher RF frequencies
allocate an additional channel
subdivide the network to reduce users on each segment
reduce the length of the local loop to 5.5 kilometers or less
use filters and splitters at the customer site to separate voice from data traffic
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6. Data confidentiality through a VPN is achieved through which two methods?
(Choose two.)
digital certificates
encryption
encapsulation
hashing
passwords

7. What two protocols provide data authentication and integrity for IPsec? (Choose
two.)
AH
L2TP
ESP
GRE
PPTP

8. Which two methods could an administrator use to authenticate users on a remote
access VPN? (Choose two.)
digital certificates
ESP
hashing algorithms
smart cards
WPA

9. Which is an example of symmetric-key encryption?
Diffie-Hellman
digital certificate
pre-shared key
RSA signature

10.




ccna chapter 6

Refer to the exhibit. A teleworker is connected over the Internet to the HQ Office.
What type of secure connection can be established between the teleworker and the
HQ Office?
a GRE tunnel
a site-to-site VPN
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a remote-access VPN
the user must be at the office location to establish a secure connection

11. After conducting research to learn about common remote connection options for
teleworkers, a network administrator has decided to implement remote access over
broadband to establish VPN connections over the public Internet. What is the result
of this solution?
A reliable connection is established at greater speeds than what is offered from dialup
over POTS. Security is increased, but username and password information are sent in
plain text.
The connection has increased security and reliable connectivity. Users need a remote
VPN router or VPN client software.
Security and reliability are increased at a substantial loss in throughput, which is
considered acceptable when supporting a single user environment.
Reliability and security are increased without the need for additional equipment, when
compared to dialup connections using POTS.

12. Which two statements about DSL are true? (Choose two.)
users are on a shared medium
uses RF signal transmission
local loop can be up to 3.5 miles (5.5km)
physical and data link layers are defined by DOCSIS
user connections are aggregated at a DSLAM located at the CO

13. A company is using WiMAX to provide access for teleworkers. What home
equipment must the company provide at the teleworker’s site?
a WiMAX tower
a one-way multicast satellite
a WiMAX receiver
an access point connected to the company WLAN

14. A technician has been asked to configure a broadband connection for a
teleworker. The technician has been instructed that all uploads and downloads for
the connection must use existing phone lines. Which broadband technology should
be used?
cable
DSL
ISDN
POTS

15. Which two Layer 1 requirements are outlined in the Data-over-Cable Service
Interface Specification (DOCSIS)? (Choose two.)
channel widths
access method
maximum data rate
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modulation techniques
compression techniques

16.




ccna 4 chapter 6 answers

Refer to the exhibit. All users have a legitimate purpose and the necessary
permissions to access the Corporate network. Based on the topology shown, which
locations are able to establish VPN connectivity with the Corporate network?
Locations C, D, and E can support VPN connectivity. Locations A and B require an
additional PIX Firewall appliance installed on the edge of the network.
Locations C and E can support VPN connectivity. Locations A, B, and D require an
additional PIX Firewall appliance installed on the edge of the network.
Locations A, B, D, and E can support VPN connectivity. Location C requires an
additional router on the edge of the network.
All locations can support VPN connectivity.

17. Which two features can be associated with the Worldwide Interoperability for
Microwave Access (WiMAX) telecommunication technology? (Choose two.)
supports municipal wireless networks utilizing mesh technologies
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covers areas as large as 7,500 square kilometers
supports point-to-point links, but not full mobile cellular-type access
connects directly to the Internet through high-bandwidth connections
operates at lower speeds than Wi-Fi, but supports many more users

18.




ccna 4 chapter 6

Refer to the exhibit. A VPN tunnel has been established between the HQ Office and
the Branch Office over the public Internet. Which three mechanisms are required
by the devices on each end of the VPN tunnel to protect the data from being
intercepted and modified? (Choose three.)
The devices must use a dedicated Layer 2 connection.
The devices must have the VPN client software installed.
The two parties must inspect the traffic against the same ACLs.
The two parties must establish a secret key used by encryption and hash algorithms.
The two parties must agree on the encryption algorithm to be used over the VPN tunnel.
The devices must be authenticated before the communication path is considered secure.

19. Which statement describes cable?
Delivering services over a cable network requires downstream frequencies in the 50 to
860 MHz range, and upstream frequencies in the 5 to 42 MHz range.
The cable subscriber must purchase a cable modem termination system (CMTS)
Each cable subscriber has dedicated upstream and downstream bandwidth.
Cable subscribers may expect up to 27 Mbps of bandwidth on the upload path.

Taged:
ccna 4 ver 4 chapter 6 exam answers,CCNA v 4 E 1 chapter 2 3 exam question january
2011,ccnafinal net chapter 6 4 0

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Ccna 4 chapter 6 v4.0 answers 2011

  • 1. www.ccnafinal.net www.ccnafinalexam.com www.ccnaanswers.org www.ccna4u.net www.ccna4u.org www.ccna4u.info CCNA 4 Chapter 6 V4.0 Answers 1. Which two protocols can be used to encapsulate traffic that is traversing a VPN tunnel? (Choose two.) ATM CHAP IPsec IPX MPLS PPTP 2. What are the three main functions of a secure VPN? (Choose three.) accounting authentication authorization data availability data confidentiality data integrity 3. Data confidentiality through a VPN can be enhanced through the use of which three encryption protocols? (Choose three.) AES DES AH hash MPLS RSA 4. While monitoring traffic on a cable network, a technician notes that data is being transmitted at 38 MHz. Which statement describes the situation observed by the technician? Data is being transmitted from the subscriber to the headend. Data is flowing downstream. Cable television transmissions are interfering with voice and data transmissions. The system is experiencing congestion in the lower frequency ranges. 5. Which two statements are valid solutions for a cable ISP to reduce congestion for users? (Choose two.) use higher RF frequencies allocate an additional channel subdivide the network to reduce users on each segment reduce the length of the local loop to 5.5 kilometers or less use filters and splitters at the customer site to separate voice from data traffic
  • 2. www.ccnafinal.net www.ccnafinalexam.com www.ccnaanswers.org www.ccna4u.net www.ccna4u.org www.ccna4u.info 6. Data confidentiality through a VPN is achieved through which two methods? (Choose two.) digital certificates encryption encapsulation hashing passwords 7. What two protocols provide data authentication and integrity for IPsec? (Choose two.) AH L2TP ESP GRE PPTP 8. Which two methods could an administrator use to authenticate users on a remote access VPN? (Choose two.) digital certificates ESP hashing algorithms smart cards WPA 9. Which is an example of symmetric-key encryption? Diffie-Hellman digital certificate pre-shared key RSA signature 10. ccna chapter 6 Refer to the exhibit. A teleworker is connected over the Internet to the HQ Office. What type of secure connection can be established between the teleworker and the HQ Office? a GRE tunnel a site-to-site VPN
  • 3. www.ccnafinal.net www.ccnafinalexam.com www.ccnaanswers.org www.ccna4u.net www.ccna4u.org www.ccna4u.info a remote-access VPN the user must be at the office location to establish a secure connection 11. After conducting research to learn about common remote connection options for teleworkers, a network administrator has decided to implement remote access over broadband to establish VPN connections over the public Internet. What is the result of this solution? A reliable connection is established at greater speeds than what is offered from dialup over POTS. Security is increased, but username and password information are sent in plain text. The connection has increased security and reliable connectivity. Users need a remote VPN router or VPN client software. Security and reliability are increased at a substantial loss in throughput, which is considered acceptable when supporting a single user environment. Reliability and security are increased without the need for additional equipment, when compared to dialup connections using POTS. 12. Which two statements about DSL are true? (Choose two.) users are on a shared medium uses RF signal transmission local loop can be up to 3.5 miles (5.5km) physical and data link layers are defined by DOCSIS user connections are aggregated at a DSLAM located at the CO 13. A company is using WiMAX to provide access for teleworkers. What home equipment must the company provide at the teleworker’s site? a WiMAX tower a one-way multicast satellite a WiMAX receiver an access point connected to the company WLAN 14. A technician has been asked to configure a broadband connection for a teleworker. The technician has been instructed that all uploads and downloads for the connection must use existing phone lines. Which broadband technology should be used? cable DSL ISDN POTS 15. Which two Layer 1 requirements are outlined in the Data-over-Cable Service Interface Specification (DOCSIS)? (Choose two.) channel widths access method maximum data rate
  • 4. www.ccnafinal.net www.ccnafinalexam.com www.ccnaanswers.org www.ccna4u.net www.ccna4u.org www.ccna4u.info modulation techniques compression techniques 16. ccna 4 chapter 6 answers Refer to the exhibit. All users have a legitimate purpose and the necessary permissions to access the Corporate network. Based on the topology shown, which locations are able to establish VPN connectivity with the Corporate network? Locations C, D, and E can support VPN connectivity. Locations A and B require an additional PIX Firewall appliance installed on the edge of the network. Locations C and E can support VPN connectivity. Locations A, B, and D require an additional PIX Firewall appliance installed on the edge of the network. Locations A, B, D, and E can support VPN connectivity. Location C requires an additional router on the edge of the network. All locations can support VPN connectivity. 17. Which two features can be associated with the Worldwide Interoperability for Microwave Access (WiMAX) telecommunication technology? (Choose two.) supports municipal wireless networks utilizing mesh technologies
  • 5. www.ccnafinal.net www.ccnafinalexam.com www.ccnaanswers.org www.ccna4u.net www.ccna4u.org www.ccna4u.info covers areas as large as 7,500 square kilometers supports point-to-point links, but not full mobile cellular-type access connects directly to the Internet through high-bandwidth connections operates at lower speeds than Wi-Fi, but supports many more users 18. ccna 4 chapter 6 Refer to the exhibit. A VPN tunnel has been established between the HQ Office and the Branch Office over the public Internet. Which three mechanisms are required by the devices on each end of the VPN tunnel to protect the data from being intercepted and modified? (Choose three.) The devices must use a dedicated Layer 2 connection. The devices must have the VPN client software installed. The two parties must inspect the traffic against the same ACLs. The two parties must establish a secret key used by encryption and hash algorithms. The two parties must agree on the encryption algorithm to be used over the VPN tunnel. The devices must be authenticated before the communication path is considered secure. 19. Which statement describes cable? Delivering services over a cable network requires downstream frequencies in the 50 to 860 MHz range, and upstream frequencies in the 5 to 42 MHz range. The cable subscriber must purchase a cable modem termination system (CMTS) Each cable subscriber has dedicated upstream and downstream bandwidth. Cable subscribers may expect up to 27 Mbps of bandwidth on the upload path. Taged: ccna 4 ver 4 chapter 6 exam answers,CCNA v 4 E 1 chapter 2 3 exam question january 2011,ccnafinal net chapter 6 4 0 Related Posts • CCNA 4 Final Exam V4.0 Answers • CCNA 4 Chapter 8 V4.0 Answers • CCNA 4 Chapter 7 V4.0 Answers
  • 6. www.ccnafinal.net www.ccnafinalexam.com www.ccnaanswers.org www.ccna4u.net www.ccna4u.org www.ccna4u.info • CCNA 4 Chapter 5 V4.0 Answers • CCNA 4 Chapter 4 V4.0 Answers • CCNA 4 Chapter 3 V4.0 Answers • CCNA 4 Chapter 2 V4.0 Answers • CCNA 4 Chapter 1 V4.0 Answers • CCNA 3 Chapter 6 V4.0 Answers • CCNA 4 Final Exam Answers (A) • CCNA 4 Final Exam Answers (C) • CCNA 4 Final Exam Answers (D) • CCNA 4 Final answers (100% Guaranteed – Updated Dec 2010) • CCNA 4 Final exam December 2010 • CCNA 4 Final Exam Questions and Answers 2010 Tags: CCNA 4, CCNA 4 Final, CCNA 4 Final Exam, CCNA 4 Final Exam Answers, ccna 4 final exam answers 2010, ccna 4 final exam answers 2011, CCNA 4 Final Exam Questions and Answers 2010, ccna final exam answers 4.0, CCNA4 Final, ccna4 final exam CCNA 4 Final exam December 2010 → One Response to CCNA 4 Final Exam Questions and Answers 2010