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Interconnecting Cisco Networking Devices Part 1

Exam Number: 640-822 ICND1
Associated Certifications: CCENT and CCNA
Duration: 90 Minutes (50-60 questions)
Available Languages: English
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Exam Description Exam Topics Recommended Training Additional Resources
Exam Description
The 640-822 Interconnecting Cisco Networking Devices Part 1 (ICND1) is the exam associated with the Cisco Certified Entry Network Technician certification and a tangible first step in achieving the Cisco Certified Network Associate certification. Candidates can prepare for this exam by taking the Interconnecting Cisco Networking Devices Part 1 (ICND1) v1.0 course. This exam tests a candidate’s knowledge and skills required to successfully install, operate, and troubleshoot a small branch office network. The exam includes topics on networking fundamentals; connecting to a WAN; basic security and wireless concepts; routing and switching fundamentals; the TCP/IP and OSI models; IP addressing; WAN technologies; operating and configuring IOS devices; configuring RIPv2, static and default routing; implementing NAT and DHCP; and configuring simple networks.

Exam Topics
The following topics are general guidelines for the content likely to be included on the Interconnecting Cisco Networking Devices Part 1 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 the operation of data networks.
Describe the purpose and functions of various network devices
Select the components required to meet a given network specification
Use the OSI and TCP/IP models and their associated protocols to explain how data flows in a network
Describe common networking 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

Implement a small switched network
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 technologies
Explain network segmentation and basic traffic management concepts
Explain the operation of Cisco switches and basic switching concepts
Perform, save 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
Implement and verify basic security for a switch (port security, deactivate ports)
Identify, prescribe, and resolve common switched network media issues, configuration issues, autonegotiation, and switch hardware failures

Implement an IP addressing scheme and IP services to meet network requirements for a small branch office

Describe the need and role of addressing in a network ” Create and apply an addressing scheme to a network
Assign and verify valid IP addresses to hosts, servers, and networking devices in a LAN environment
Explain the basic uses and operation of NAT in a small network connecting to one ISP
Describe and verify DNS operation
Describe the operation and benefits of using private and public IP addressing
Enable NAT for a small network with a single ISP and connection using SDM and verify operation using CLI and ping
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
Identify and correct IP addressing issues

Implement a small routed network
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 CLI to set basic parameters
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
Implement password and physical security
Verify network status and router operation using basic utilities (including: ping, traceroute,telnet,SSH,arp, ipconfig), SHOW & DEBUG commands

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

Identify security threats to a network and describe general methods to mitigate those threats
Explain today’s increasing network security threats and 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 and verify WAN links
Describe different methods for connecting to a WAN
Configure and verify a basic WAN serial connection

Question: 1
The junior network support staff provided the diagram as a recommended configuration for the first phase of a four-phase network expansion project. The entire network expansion will have over 1000 users on 14 network segments and has been allocated this IP address space:

192.168.1.1 through 192.168.5.255
192.168.100.1 through 198.168.100.255

What are three problems with this design? (Choose three.)

A. The AREA 1 IP address space is inadequate for the number of users. B. The AREA 3 IP address space is inadequate for the number of users. C. AREA 2 could use a mask of /25 to conserve IP address space.
D. The network address space that is provided requires a single network-wide mask. E. The router-to-router connection is wasting address space.
F. The broadcast domain in AREA 1 is too large for IP to function.
Answer: A, C, E Question: 2
A network administrator is connecting PC hosts A and 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. A crossover cable should be used in place of the straight-through cable.
B. A rollover cable should be used in place of the straight-through cable
C. The subnet masks should be set to 255.255.255.192. D. A default gateway needs to be set on each host.
E. The hosts must be reconfigured to use private IP addresses for direct connections of this type.
F. The subnet masks should be set to 255.255.255.0.
Answer: A, F Question: 3
Why would a network administrator configure port security on a switch?

A. to prevent unauthorized Telnet access to a switch port
B. to limit the number of Layer 2 broadcasts on a particular switch port
C. to prevent unauthorized hosts from accessing the LAN
D. to protect the IP and MAC address of the switch and associated ports
E. to block unauthorized access to the switch management interfaces over common TCP ports
Answer: C Question: 4
Which two statements best describe the wireless security standard that is defined by WPA?
(Choose two.)

A. It specifies use of a static encryption key that must be changed frequently to enhance security.
B. It requires use of an open authentication method.
C. It specifies the use of dynamic encryption keys that change each time a client establishes a connection.
D. It requires that all access points and wireless devices use the same encryption key. E. It includes authentication by PSK.

TK

Exam Name: Interconnecting Cisco Networking Devices Part 1
Exam Type: Cisco Case Studies: 2
Exam Code: 640-822 Total Questions: 105

Answer: C, E

Question: 5
The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three.)

A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.
B. Ensure that cables A and B are straight-through cables. C. Ensure cable A is plugged into a trunk port.
D. Ensure the switch has power. E. Reboot all of the devices.
F. Reseat all cables.
Answer: B, D, F Question: 6
Host A needs to send data to Host B. Which Layer 2 and Layer 3 destination addresses will be used to send the data from Host A to Host B?

A. 192.168.60.5 and 0011.43da.2c98
B. 192.168.60.5 and 0007.0e56.ab2e C. 192.168.24.1 and 0007.0e56.ab2e D. 192.168.24.2 and 0007.0e84.acef
Answer: B Question: 7
The IP address space of 128.107.7.0/24 has been allocated for all devices on this network. All
devices must use the same subnet mask and all subnets are usable.
Which subnet mask is required to apply the allocated address space to the configuration that is shown?

A. 255.255.254.0
B. 255.255.255.0
C. 255.255.255.128
D. 255.255.255.192
E. 255.255.255.224
Answer: D Question: 8
Which two statements describe the operation of the CSMA/CD access method? (Choose two.)

A. In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously.
B. In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting.
C. The use of hubs to enlarge the size of collision domains is one way to improve the operation of the CSMA/CD access method.
D. After a collision, the station that detected the collision has first priority to resend the lost data.
E. After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data.
F. After a collision, all stations involved run an identical backoff algorithm and then synchronize with each other prior to transmitting data.

TK

Exam Name: Interconnecting Cisco Networking Devices Part 1
Exam Type: Cisco Case Studies: 2
Exam Code: 640-822 Total Questions: 105

Answer: B, E

Question: 9
What two facts can be determined from the WLAN diagram? (Choose two.)

A. The area of overlap of the two cells represents a basic service set (BSS). B. The network diagram represents an extended service set (ESS).
C. Access points in each cell must be configured to use channel 1.
D. The area of overlap must be less than 10% of the area to ensure connectivity. E. The two APs should be configured to operate on different channels.
Answer: B, E Question: 10
Assuming a subnet mask of 255.255.248.0, which three addresses are valid host addresses?
(Choose three.)

A. 172.16.8.0
B. 172.16.9.0
C. 172.16.16.0
D. 172.16.20.0
E. 172.16.24.0
F. 172.16.31.0
Answer: B, D, F Question: 11
A technician pastes the configurations in the exhibit into the two new routers shown. Otherwise, the routers are configured with their default configurations. A ping from Host1 to Host2 fails, but
the technician is able to ping the S0/0 interface of R2 from Host1. The configurations of the hosts
have been verified as correct. What could be the cause of the problem?

A. The serial cable on R1 needs to be replaced.
B. The interfaces on R2 are not configured properly. C. R1 has no route to the 192.168.1.128 network.
D. The IP addressing scheme has overlapping subnetworks.
E. The ip subnet-zero command must be configured on both routers.
Answer: C Question: 12
Which form of NAT maps multiple private IP addresses to a single registered IP address by using different ports?

A. static NAT
B. dynamic NAT C. overloading D. overlapping E. port loading
Answer: C Question: 13
What should be part of a comprehensive network security plan?

TK

Exam Name: Interconnecting Cisco Networking Devices Part 1
Exam Type: Cisco Case Studies: 2
Exam Code: 640-822 Total Questions: 105

A. Allow users to develop their own approach to network security.
B. Physically secure network equipment from potential access by unauthorized individuals.
C. Encourage users to use personal information in their passwords to minimize the likelihood of passwords being forgotten.
D. Delay deployment of software patches and updates until their effect on end-user equipment is well known and widely reported.
E. Minimize network overhead by deactivating automatic antivirus client updates.
Answer: B Question: 14
A single 802.11g access point has been configured and installed in the center of a square office.
A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.)

A. mismatched TKIP encryption
B. null SSID
C. cordless phones D. mismatched SSID E. metal file cabinets
F. antenna type or direction
Answer: C, E, F Question: 15
What two actions must a router take in order to route incoming packets? (Choose two.)

A. Identify the destination network address of each packet. B. Identify the source network address of each packet.
C. Validate sources of routing information.
D. Inspect the routing table to select the best path to the destination network address. E. Verify the receipt of routed packets by the next hop router.
F. Inspect the ARP table to verify a legitimate source MAC address for each packet.
Answer: A, D Question: 16
What is the effect of the configuration that is shown?

A. It configures SSH globally for all logins.
B. It tells the router or switch to try to establish an SSh connection first and if that fails to use
Telnet.
C. It configures the virtual terminal lines with the password 030752180500.
D. It configures a Cisco network device to use the SSH protocol on incoming communications via the virtual terminal ports.
E. It allows seven failed login attempts before the VTY lines are temporarily shutdown.
Answer: D Question: 17
What are two recommended ways of protecting network device configuration files from outside network security threats? (Choose two.)

A. Allow unrestricted access to the console or VTY ports.

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Recommended Training about 640-822 exam PDF
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640-822 Q & A with Explanations
640-822 Audio Exam
640-822 Study Guide
640-822 Preparation Lab

Exam Number/Code: 640-822
Exam Name: Interconnecting Cisco Networking Devices Part 1

“Interconnecting Cisco Networking Devices Part 1″, also known as 640-822 exam, is a Cisco certification.
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