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Cisco 640-821 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: IP Addressing and Subnetting | 25% | - IPv4 addressing and classes - Private vs public IP addressing - Subnetting and VLSM - ARP, ICMP, and DHCP operation |
| Topic 2: Switching Fundamentals | 15% | - LAN switching concepts - Switch operation and port configuration - VLAN basics and configuration |
| Topic 3: Cisco IOS Basics | 20% | - Initial device configuration - IOS navigation and command-line interface - Password and security basics - Managing configuration files |
| Topic 4: Routing and WAN Basics | 15% | - Common WAN technologies - Routing table overview - Basic network troubleshooting - Static and dynamic routing principles |
| Topic 5: Network Fundamentals | 25% | - Ethernet standards and operation - Network types: LAN, WAN, WLAN - OSI and TCP/IP model layers - Network components: routers, switches, hubs, cables |
Cisco Introduction to Cisco Networking Technologies Sample Questions:
Which OSI layer header contains the address of a destination host that is on another network?
- A. transport
- B. data link
- C. session
- D. network
- E. application
- F. physical
Correct Answer: D 🗳️
Which IP address is a private address?
- A. 172.33.194.30
- B. 12.0.0.1
- C. 172.20.14.36
- D. 192.169.42.34
- E. 168.172.19.39
Correct Answer: C 🗳️
What is the default configuration register setting on most Cisco routers?
- A. 0x2142
- B. 0x2102
- C. 0x2210
- D. 0x2104
- E. 0x2012
Correct Answer: B 🗳️
Refer to the graphic. What is the purpose of the two numbers shown following the exec- timeout command?
- A. If no commands have been typed in 55 seconds, the console connection will be closed.
- B. If no router activity has been detected in one hour and 55 minutes, the console will be locked out.
- C. If no commands have been typed in one minute and 55 seconds, the console connection will be closed.
- D. If connected to the router by Telnet, input must be detected within one minute and 55 seconds or the connection will be closed.
- E. If connected to the router by Telnet, input must be detected within one hour and 55 seconds or the connection will be closed.
Correct Answer: C 🗳️
