Cisco 640-822 exam dumps : Interconnecting Cisco Networking Devices Part 1

  • Exam Code: 640-822
  • Exam Name: Interconnecting Cisco Networking Devices Part 1
  • Updated: Aug 10, 2026     Q & A: 350 Questions and Answers

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Cisco 640-822 Exam Syllabus Topics:

SectionObjectives
Topic 1: Network Fundamentals- OSI and TCP/IP models
  • 1. Protocol functions
    • 2. Layers and encapsulation
      - IP addressing and subnetting
      • 1. Subnet masks and CIDR
        • 2. IPv4 addressing
          Topic 2: Infrastructure Maintenance- Network documentation
          • 1. Topology diagrams
            • 2. Configuration verification
              - Troubleshooting methodology
              • 1. Basic diagnostic tools (ping, traceroute)
                • 2. Layered troubleshooting approach
                  Topic 3: Infrastructure Services- Device management services
                  • 1. NTP concepts
                    • 2. NAT basics
                      - IP services
                      • 1. DNS basics
                        • 2. DHCP concepts
                          Topic 4: LAN Switching Technologies- VLANs
                          • 1. Trunking concepts (802.1Q)
                            • 2. VLAN configuration basics
                              - Switching concepts
                              • 1. MAC address table
                                • 2. Frame forwarding
                                  Topic 5: Routing Fundamentals- Inter-VLAN routing concepts
                                  • 1. Router-on-a-stick
                                    • 2. Basic gateway configuration
                                      - Routing concepts
                                      • 1. Routing tables
                                        • 2. Static routing basics

                                          Cisco Interconnecting Cisco Networking Devices Part 1 Sample Questions:

                                          1. Refer to the exhibit.

                                          Two buildings on the San Jose campus of a small company must be connected to use Ethernet with a bandwidth of at least 100 Mbps. The company is concerned about possible problems from voltage potential differences between the two buildings. Which media type should be used for the connection?

                                          A) STP cable
                                          B) UTP cable
                                          C) fiber optic cable
                                          D) coaxial cable


                                          2. When should the "clock rate" command be used on a Cisco router's interface?

                                          A) When the interface is connected to a CSU/DSU
                                          B) When the router is connected to a Frame Relay switch
                                          C) When the router is directly connected to another Cisco router
                                          D) During diagnostic functions such as a loopback test


                                          3. Which transport layer protocol provides best-effort delivery service with no acknowledgment receipt required?

                                          A) IP
                                          B) Telnet
                                          C) TCP
                                          D) UDP
                                          E) HTTP


                                          4. Refer to the exhibit.

                                          The MAC address table is shown in its entirety. The Ethernet frame that is shown arrives at the switch. What two operations will the switch perform when it receives this frame? (Choose two.)

                                          A) The frame will be forwarded out all active switch ports except for port fa0/0.
                                          B) The frame will be forwarded out all the ports on the switch.
                                          C) The MAC address of 0000.00aa.aaaa will be added to the MAC Address Table.
                                          D) The frame will be forwarded out fa0/0 and fa0/1 only.
                                          E) The MAC address of ffff.ffff.ffff will be added to the MAC address table.
                                          F) The switch will not forward a frame with this destination MAC address.


                                          5. After the shutdown command has been issued on the serial 0/0 interface, what will be displayed when the show interface serial 0/0 command is issued by the administrator?

                                          A) Serial0/0 is administratively down, line protocol is down
                                          B) Serial0/0 is administratively down, line protocol is administratively down
                                          C) Serial0/0 is down, line protocol is up
                                          D) Serial0/0 is down, line protocol is down
                                          E) Serial0/0 is up, line protocol is down
                                          F) Serial0/0 is up, line protocol is up


                                          Solutions:

                                          Question # 1
                                          Answer: C
                                          Question # 2
                                          Answer: C
                                          Question # 3
                                          Answer: D
                                          Question # 4
                                          Answer: A,C
                                          Question # 5
                                          Answer: A

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