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Cisco 640-821 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| WAN Technologies | - PPP and Frame Relay basics (legacy) - WAN connection types |
| IP Addressing and Subnetting | - Basic subnetting calculations - IPv4 addressing structure - Subnet masks and CIDR notation |
| Network Fundamentals | - OSI and TCP/IP models - LAN/WAN concepts - Network topologies and components |
| Routing Fundamentals | - Static routing basics - Routing table concepts |
| LAN Switching Technologies | - Switch operation and MAC address table - VLAN concepts - Trunking basics |
| Cisco IOS Basics | - Show and debug commands - Basic device configuration - Command line interface (CLI) navigation |
| Network Security Basics | - Basic access control concepts - Device hardening overview |
Cisco Introduction to Cisco Networking Technologies Sample Questions:
1. Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
A) show startup-config
B) show versions
C) show running-config
D) show interfaces
E) show processes
2. DRAG DROP
drag drop
3. A network associate needs to configure a router by connecting a remote computer to the router through the router auxiliary port. Which two statements describe the hardware required to make the connection to the router? (Choose two.)
A) The auxiliary port must be connected to an Ethernet LAN.
B) The auxiliary port must be connected to a modem.
C) The technician needs an RJ-45 to DB25 adapter.
D) The technician needs an Ethernet transceiver.
4. DRAG DROP
drag drop
5. How will a Cisco 2600 series router respond if the conditions listed below exist during the boot process?
1) The IOS image in flash is missing.
2) No network connectivity is available.
3) The router fallback IOS image is corrupt.
A) The boot will hang until an IOS is available.
B) The router will enter ROM monitor mode.
C) The router will enter global configuration mode.
D) The router will enter the prompted setup dialog.
E) The router will enter setup mode.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: Only visible for members | Question # 3 Answer: B,C | Question # 4 Answer: Only visible for members | Question # 5 Answer: B |
