Cisco Certified Network Associate:640-802 Exam
Exam Number/Code: 640-802
Exam Name: Cisco Certified Network Associate
The 640-802 Cisco Certified Network Associate (CCNA) is the composite exam associated with the Cisco Certified Network Associate certification. Candidates can prepare for this exam by taking the Interconnecting Cisco Networking Devices Part 1 (ICND1) v1.0 and the Interconnecting Cisco Networking Devices Part 2 (ICND2) v1.0 courses. This exam tests a candidate’s knowledge and skills required to install, operate, and troubleshoot a small to medium size enterprise branch network. The topics include connecting to a WAN; implementing network security; network types; network media; routing and switching fundamentals; the TCP/IP and OSI models; IP addressing; WAN technologies; operating and configuring IOS devices; extending switched networks with VLANs; determining IP routes; managing IP traffic with access lists; establishing point-to-point connections; and establishing Frame Relay connections.
The following topics are general guidelines for the content likely to be included on the Cisco Certified Network Associate exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes, the guidelines below may change at any time without notice.
Describe how a network works
- Describe the purpose and functions of various network devices
- Select the components required to meet a network specification
- Use the OSI and TCP/IP models and their associated protocols to explain how data flows in a network
- Describe common networked applications including web applications
- Describe the purpose and basic operation of the protocols in the OSI and TCP models
- Describe the impact of applications (Voice Over IP and Video Over IP) on a network
- Interpret network diagrams
- Determine the path between two hosts across a network
- Describe the components required for network and Internet communications
- Identify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approach
- Differentiate between LAN/WAN operation and features
Configure, verify and troubleshoot a switch with VLANs and interswitch communications
- Select the appropriate media, cables, ports, and connectors to connect switches to other network devices and hosts
- Explain the technology and media access control method for Ethernet networks
- Explain network segmentation and basic traffic management concepts
- Explain basic switching concepts and the operation of Cisco switches
- Perform and verify initial switch configuration tasks including remote access management
- Verify network status and switch operation using basic utilities (including: ping, traceroute, telnet, SSH, arp, ipconfig), SHOW & DEBUG commands
- Identify, prescribe, and resolve common switched network media issues, configuration issues, auto negotiation, and switch hardware failures
- Describe enhanced switching technologies (including: VTP, RSTP, VLAN, PVSTP, 802.1q)
- Describe how VLANs create logically separate networks and the need for routing between them
- Configure, verify, and troubleshoot VLANs
- Configure, verify, and troubleshoot trunking on Cisco switches
- Configure, verify, and troubleshoot interVLAN routing
- Configure, verify, and troubleshoot VTP
- Configure, verify, and troubleshoot RSTP operation
- Interpret the output of various show and debug commands to verify the operational status of a Cisco switched network.
- Implement basic switch security (including: port security, trunk access, management vlan other than vlan1, etc.)
Implement an IP addressing scheme and IP Services to meet network requirements in a medium-size Enterprise branch office network.
- Describe the operation and benefits of using private and public IP addressing
- Explain the operation and benefits of using DHCP and DNS
- Configure, verify and troubleshoot DHCP and DNS operation on a router.(including: CLI/SDM)
- Implement static and dynamic addressing services for hosts in a LAN environment
- Calculate and apply an addressing scheme including VLSM IP addressing design to a network
- Determine the appropriate classless addressing scheme using VLSM and summarization to satisfy addressing requirements in a LAN/WAN environment
- Describe the technological requirements for running IPv6 in conjunction with IPv4 (including: protocols, dual stack, tunneling, etc).
- Describe IPv6 addresses
- Identify and correct common problems associated with IP addressing and host configurations
Configure, verify, and troubleshoot basic router operation and routing on Cisco devices
- Describe basic routing concepts (including: packet forwarding, router lookup process)
- Describe the operation of Cisco routers (including: router bootup process, POST, router components)
- Select the appropriate media, cables, ports, and connectors to connect routers to other network devices and hosts
- Configure, verify, and troubleshoot RIPv2
- Access and utilize the router to set basic parameters.(including: CLI/SDM)
- Connect, configure, and verify operation status of a device interface
- Verify device configuration and network connectivity using ping, traceroute, telnet, SSH or other utilities
- Perform and verify routing configuration tasks for a static or default route given specific routing requirements
- Manage IOS configuration files. (including: save, edit, upgrade, restore)
- Manage Cisco IOS.
- Compare and contrast methods of routing and routing protocols
- Configure, verify, and troubleshoot OSPF
- Configure, verify, and troubleshoot EIGRP
- Verify network connectivity (including: using ping, traceroute, and telnet or SSH)
- Troubleshoot routing issues
- Verify router hardware and software operation using SHOW & DEBUG commands.
- Implement basic router security
Explain and select the appropriate administrative tasks required for a WLAN
- Describe standards associated with wireless media (including: IEEE WI-FI Alliance, ITU/FCC)
- Identify and describe the purpose of the components in a small wireless network. (Including: SSID, BSS, ESS)
- Identify the basic parameters to configure on a wireless network to ensure that devices connect to the correct access point
- Compare and contrast wireless security features and capabilities of WPA security (including: open, WEP, WPA-1/2)
- Identify common issues with implementing wireless networks. (Including: Interface, missconfiguration)
Identify security threats to a network and describe general methods to mitigate those threats
- Describe today’s increasing network security threats and explain the need to implement a comprehensive security policy to mitigate the threats
- Explain general methods to mitigate common security threats to network devices, hosts, and applications
- Describe the functions of common security appliances and applications
- Describe security recommended practices including initial steps to secure network devices
Implement, verify, and troubleshoot NAT and ACLs in a medium-size Enterprise branch office network.
- Describe the purpose and types of ACLs
- Configure and apply ACLs based on network filtering requirements.(including: CLI/SDM)
- Configure and apply an ACLs to limit telnet and SSH access to the router using (including: SDM/CLI)
- Verify and monitor ACLs in a network environment
- Troubleshoot ACL issues
- Explain the basic operation of NAT
- Configure NAT for given network requirements using (including: CLI/SDM)
- Troubleshoot NAT issues
Implement and verify WAN links
- Describe different methods for connecting to a WAN
- Configure and verify a basic WAN serial connection
- Configure and verify Frame Relay on Cisco routers
- Troubleshoot WAN implementation issues
- Describe VPN technology (including: importance, benefits, role, impact, components)
- Configure and verify a PPP connection between Cisco routers
Updated:March 17th , 2008
Questons and Answers : 254 Q&As
Exam Language(s): English
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Exam Topics Include:
1. Describe how a network works
2. Configure, verify and troubleshoot a switch with VLANs and interswitch communications
3. Implement an IP addressing scheme and IP Services to meet network requirements in a medium-size Enterprise branch office network.
4. Configure, verify, and troubleshoot basic router operation and routing.
5. Explain and select the appropriate administrative tasks required for a WLAN
6. Identify security threats to a network and describe methods to mitigate those threats
7. Implement, verify, and troubleshoot Network Address Translation (NAT) and Access Control Lists (ACLs).
8. Implement and verify WAN links, including frame relay and PPP
The Cisco CCNA certification (Cisco Certified Network Associates) is an introductory level exam for those relatively new to Cisco networking. The CCNA exam by Cisco systems was designed for the candidates who can install, configure and administer small to medium sized LANs and WANs. The CCNA is a prerequisite for the some higher level certifications like the CCNP. The CCNA exam is valid for three years. Job roles for the individuals who are CCNA certified include network administrators, system managers, and network consultants.
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QUESTION 91:
Part of the PassGuide network is shown below:
Based on the diagram shown above, what kind of cable should be used to make each
connection that is identified by the numbers shown?
A. 1 – Ethernet crossover cable
2 – Ethernet straight-through cable
3 – fiber optic cable
4 – rollover cable
B. 1 – Ethernet rollover cable
2 – Ethernet crossover cable
3 – serial cable
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4 – null modem cable
C. 1 – Ethernet straight-through cable
2 – Ethernet straight-through cable
3 – serial cable
4 – rollover cable
D. 1 – Ethernet straight-through cable
2 – Ethernet crossover cable
3 – serial cable
4 – rollover cable
E. 1 – Ethernet straight-through cable
2 – Ethernet crossover cable
3 – serial cable
4 – Ethernet straight-through cable
Answer: C
Explanation:
When connecting other devices to a switch, such as a router or workstations, a straight
through cable is used. The only exception to this rule is when you are connecting another
switch to a switch, in which case a cross over cable should be used.
For a serial connection to another router or to a WAN, a serial cable should be used.
Finally, when connecting directly to the console port of a Cisco device, a rollover cable
should be used. This cable is also commonly referred to as a console cable.
QUESTION 92:
What kind of cable should be used to establish a trunked line between two Catalyst
switches?
A. A straight-through cable
B. An EIA/TIA-232 serial cable
C. An auxiliary cable
D. A modem cable
E. A cross-over cable
Answer: E
Explanation:
A crossover cable is used to connect two of the same device types, or devices from the
same OSI layer.
QUESTION 93:
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The PassGuide network Topology is displayed in the exhibit below:
A switch has been configured for three different VLANs: VLAN 2, VLAN 3, and
VLAN 4. For the purposes of communication between VLANs a router is to be
added. Host from one VLAN should be able to reach the hosts in the other VLANs.
Based on this requirement, what type of connection is acceptable between the router
and switch?
A. 10 Mbps Ethernet
B. 56 kbps serial
C. 100 Mbps Ethernet
D. 1,544 Mbps serial
E. 1000 Mbps Ethernet
Answer: C, E
Explanation:
For all hosts to be able to reach each other, inter-VLAN routing will need to be
configured. In order to provide Inter-VLAN routing between the router and the switch, a
trunk will need to be set up. This trunk can be either ISL or 802.1Q. On a router, the
interface that is to be used as the trunk can be 100 Mbps Ethernet, Gigabit Ethernet, or 10
Gigabit Ethernet. Therefore, only choices C or E are correct.
QUESTION 94:
Part of the PassGuide LAN is shown below:
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Based on the diagram shown above, which set of terms correctly identifies the cable
types shown in the exhibit? (Assume that none of the switches are set to
autoconfigure)
A. A: straight-through
B: straight-through
C: rollover
B. A: crossover
B: crossover
C: rollover
C. A: crossover
B: straight-through
C: straight-through
D. A: crossover
B: straight-through
C: rollover
E. A: straight-through
B: crossover
C: rollover
Answer: D
Explanation:
Crossover Cables are Used to Connect :
Host to Host (Peer to Peer) Networking
Switch to Switch
Hub to Hub
Computer to Router’s Ethernet Port
Straight through Cable:
Host to Switch
Host to Hub
Switch to Router
Serial Cable:
Router’s Serial Port to Serial Port
Rollover Cable :
To connect Router/Switch Console port.
Here one switch is connected with another switch using a crossover cable. The switch
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connected with the router uses a straight through cable and the PC Connects to the
router’s console port using the console rollover cable.
QUESTION 95:
The PassGuide network administrator is connecting PC hosts PassGuide A and
PassGuide B directly through their Ethernet interfaces as shown in the graphic. Ping
attempts between the hosts are unsuccessful. What can be done to provide
connectivity between the hosts? (Choose two.)
A. The subnet masks should be set to 255.255.255.0.
B. The hosts must be reconfigured to use private IP addresses for direct connections of
this type.
C. A default gateway needs to be set on each host.
D. A rollover cable should be used in place of the straight-through cable
E. A crossover cable should be used in place of the straight-through cable.
F. The subnet masks should be set to 255.255.255.192.
Answer: A, E
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