Instant Download Cisco : 640-822 Questions & Answers as PDF & Test Engine
Updated: Oct 26, 2026
No. of Questions: 350 Questions & Answers with Testing Engine
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Cisco 640-822 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Infrastructure Services | - Basic wireless and security concepts - Implementing NAT and DHCP |
| Infrastructure Maintenance | - Network management tools and commands - Troubleshooting basics |
| LAN Switching Technologies | - Basic security and VLAN concepts - Switch operations and configurations - Ethernet LAN concepts |
| Routing Technologies | - Static and default routing - RIPv2 fundamentals |
| Network Fundamentals | - Describe the operation of data networks - OSI and TCP/IP models - IP addressing and subnetting - Common network devices and functions |
Cisco Interconnecting Cisco Networking Devices Part 1 Sample Questions:
Refer to the exhibit. The network shown in the exhibit is running the RIPv2 routing protocol. The network has converged, and the routers in this network are functioning properly. The FastEthernet0/0 interface on R1 goes down. In which two ways will the routers in this
network respond to this change? (Choose two.)
- A. Routers R2 and R3 mark the route as inaccessible and will not accept any further routing updates from R1 until their hold-down timers expire.
- B. Because of the split-horizon rule, router R2 will be prevented from sending erroneous information to R1 about connectivity to the 192.168.1.0 network.
- C. All routers will reference their topology database to determine if any backup routes to the 192.168.1.0 network are known.
- D. R1 will send LSAs to R2 and R3 informing them of this change, and then all routers will send periodic updates at an increased rate until the network again converges.
- E. When router R2 learns from R1 that the link to the 192.168.1.0 network has been lost, R2 will respond by sending a route back to R1 with an infinite metric to the 192.168.1.0 network.
Correct Answer: B,E 🗳️
The network administrator is using a Windows PC application that is called putty.exe for remote communication to a switch for network troubleshooting. Which two protocols could be used during this communication? (Choose two).
- A. SSH
- B. RMON
- C. SNMP
- D. Telnet
- E. HTTP
Correct Answer: A,D 🗳️
Refer to the exhibit. Which two statements are true of the interface configuration? (Choose two.)
- A. The interface is not ready to forward packets.
- B. This interface is connected to a LAN.
- C. The default serial line encapsulation is in use on this interface.
- D. The address mask of this interface is 255.255.255.0.
- E. The encapsulation in use on this interface is PPP.
Correct Answer: D,E 🗳️
If you enter show interfaces serial 0/0 and receive the message "Serial0/0 is up, line protocol is down," what are three possible causes? (Choose three.)
- A. No loopback address is set.
- B. The interface is shut down.
- C. No keepalive messages are received.
- D. The clock rate is not set.
- E. No cable is attached to the interface.
- F. There is a mismatch in the encapsulation type.
Correct Answer: C,D,F 🗳️
Which of the following describes the roles of devices in a WAN? (Choose three.)
- A. A router is commonly considered a DCE device.
- B. A modem terminates a digital local loop.
- C. A router is commonly considered a DTE device.
- D. A CSU/DSU terminates an analog local loop.
- E. A modem terminates an analog local loop.
- F. A CSU/DSU terminates a digital local loop.
Correct Answer: C,E,F 🗳️
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