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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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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.

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.

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?

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.

Exam 640-822: Interconnecting Cisco Networking Devices Part 1 (ICND1)

Number of questions: 50-60

Duration: 90 minutes

Cost: $125, Available at Pearson VUE Testing Centers

Exam Topics Include:

1. Describe the operation of data networks, including the operation of TCP/IP

2. Implement a small switched network.

3. Implement an IP addressing scheme and IP Services to meet network requirements in a small branch office network.

4. Implement a small routed network, including Cisco router IOS.

5. Explain and select the appropriate administrative tasks required for a WLAN, including WLAN standards.

6. Identify security threats to a network and describe general methods to mitigate those threats

7. Implement and verify WAN links, including basic serial connections

The 640-822 Interconnecting Cisco Networking Devices Part 1 (ICND1) exam is associated with the Cisco Certified Entry Network Technician certification and a tangible first step in achieving the Cisco Certified Network Associate certification. This exam tests a candidate’s knowledge and skills required to successfully install, operate, and troubleshoot a small branch office network. Passing this exam will earn you the Cisco CCENT (Cisco Certified Entry Networking Technician) certification. This certification validates the skills required for entry-level network support positions and can be used as the starting point for many successful careers in networking. Candidates should have the knowledge and skill to install, operate and troubleshoot a small enterprise branch network, including basic network security. CCENT certification is the first step toward achieving CCNA, which covers medium size enterprise branch networks with more complex connections. Passing this exam, along with the ICND Part 2 (640-816) exam, will earn you the CCNA certification.
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