Cisco Interconnecting Cisco Networking Devices Part 1 : 640-822 Exam

  • Exam Code: 640-822
  • Exam Name: Interconnecting Cisco Networking Devices Part 1
  • Updated: Sep 09, 2026
  • Q & A: 350 Questions and Answers

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Cisco 640-822 Exam Syllabus Topics:

SectionObjectives
LAN Switching Technologies- Switch operations and configurations
- Basic security and VLAN concepts
- Ethernet LAN concepts
Network Fundamentals- IP addressing and subnetting
- Common network devices and functions
- OSI and TCP/IP models
- Describe the operation of data networks
Infrastructure Services- Basic wireless and security concepts
- Implementing NAT and DHCP
Routing Technologies- Static and default routing
- RIPv2 fundamentals
Infrastructure Maintenance- Troubleshooting basics
- Network management tools and commands

Cisco Interconnecting Cisco Networking Devices Part 1 Sample Questions:

Question 1

Refer to the exhibit.

The network administrator is testing connectivity from the branch router to the newly installed application server. What is the most likely reason for the first ping having a success rate of only 60 percent?

A. A routing table lookup delayed forwarding on the first two ping packets.
B. The branch router LAN interface should be upgraded to FastEthernet.
C. The branch router had to resolve the application server MAC address.
D. There is a short delay while NAT translates the server IP address.
E. The network is likely to be congested, with the result that packets are being intermittently dropped.


Question 2

Which two statements best describe the wireless security standard that is defined by WPA?
(Choose two.)

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


Question 3

Which IP address is a private address?

A. 172.20.14.36
B. 12.0.0.1
C. 172.33.194.30
D. 168.172.19.39
E. 192.169.42.34


Question 4

Refer to the topology below.

What is the bandwidth on the WAN interface of Router1?

A. 512 Kbit/sec
B. 32 Kbit/sec
C. 128 Kbit/sec
D. 16 Kbit/sec
E. 1544 Kbit/sec
F. 64 Kbit/sec


Question 5

HOTSPOT
Click on the correct location or locations in the exhibit.


Solutions:

Question 1
Answer: C
Question 2
Answer: A,E
Question 3
Answer: A
Question 4
Answer: A
Question 5
Answer: Only visible for members

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