Cisco Interconnecting Cisco Networking Devices Part 1 : 640-822

640-822 real exams

Exam Code: 640-822

Exam Name: Interconnecting Cisco Networking Devices Part 1

Updated: Sep 07, 2026

Q & A: 350 Questions and Answers

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Cisco 640-822 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Implementation of Routing Technologies15%- Configure and verify RIPv2
- Troubleshoot routing problems
- Routing fundamentals
- Static and default routes
Topic 2: Implementation of IP Addressing25%- Troubleshoot IP addressing issues
- IPv6 addressing scheme and structure
- Configure and verify IPv4/IPv6 addresses
- IPv4 addressing and subnetting
Topic 3: Basic WAN and Security Concepts5%- WAN connection types and technologies
- NAT and DHCP configuration
- Wireless LAN fundamentals
- Basic network security principles
Topic 4: Implementation of Switching Technologies15%- Troubleshoot common switch issues
- Configure and verify VLANs
- Basic switching concepts
- Inter-VLAN routing
Topic 5: Configuration of Basic Cisco IOS20%- Passwords, banners, and security settings
- Router and switch initial setup
- Verify network connectivity and device status
- Manage IOS files and configurations
Topic 6: Operation of Data Networks20%- LAN technologies and Ethernet standards
- OSI and TCP/IP models and protocols
- Collisions, broadcast domains, and segmentation
- Purpose and functions of network devices

Cisco Interconnecting Cisco Networking Devices Part 1 Sample Questions:

Question #1

Which of these is a routed protocol?

  • A. RIP
  • B. UDP
  • C. IGRP
  • D. HTTP
  • E. IP
Answer: E
Question #2

Refer to the exhibit.

The FTP server is sending a file to HostA. B represents the frame as it leaves the Oshawa router. What is the Layer 2 destination address of the frame at this point?

  • A. abcd.2246.0035
  • B. abcd.1123.0045
  • C. aabb.5555.2222
  • D. abcd.1234.5678
  • E. abcd.4444.0012
Answer: E
Question #3

What is the most efficient subnet mask for a small branch office with seven hosts?

  • A. 255.255.255.224
  • B. 255.255.255.248
  • C. 255.255.255.0
  • D. 255.255.255.240
Answer: D
Question #4

Which command excludes seven host addresses from a DHCP pool that has a
255.255.255.192 mask?

  • A. router(config)#ip dhcp excluded-address 192.168.7.0 192.168.7.6
  • B. router(config)#ip dhcp excluded-address 192.168.7.121 192.168.7.127
  • C. router(config)#ip dhcp excluded-address 192.168.7.159 192.168.7.165
  • D. router(config)#ip dhcp excluded-address 192.168.7.193 192.168.7.198
Answer: C
Question #5

Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment? (Choose two.)

  • A. switch
  • B. router
  • C. hub
  • D. NIC
  • E. RJ-45 transceiver
  • F. repeater
Answer: C,F
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