Cisco 640-822 Exam : Interconnecting Cisco Networking Devices Part 1

  • Exam Code: 640-822
  • Exam Name: Interconnecting Cisco Networking Devices Part 1
  • Updated: Sep 09, 2026
  • Q & A: 350 Questions and Answers

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Cisco 640-822 Exam Syllabus Topics:

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

                                          Cisco Interconnecting Cisco Networking Devices Part 1 Sample Questions:

                                          Question 1

                                          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. HTTP
                                          B. SNMP
                                          C. Telnet
                                          D. SSH
                                          E. RMON


                                          Question 2

                                          The command ip route 192.168.100.160 255.255.255.224 192.168.10.2 was issued on a router. No routing protocols or other static routes are configured on the router. Which statement is true about this command?

                                          A. The command sets a gateway of last resort for the router.
                                          B. Packets that are destined for host 192.168.100.190 will be sent to 192.168.10.2.
                                          C. The interface with IP address 192.168.10.2 is on this router.
                                          D. The command creates a static route for all IP traffic with the source address
                                          192.168.100.160.


                                          Question 3

                                          Refer to the exhibit. Workstation A must be able to telnet to switch SW-A through router RTA for management purposes. What must be configured for this connection to be successful?

                                          A. default gateway on SW-A
                                          B. IP routing on SW-A
                                          C. cross-over cable connecting SW-A and RTA
                                          D. VLAN 1 on RTA


                                          Question 4

                                          Which of the following are found in a TCP header, but not in a UDP header? (Choose three.)

                                          A. sequence number
                                          B. source port
                                          C. window size
                                          D. acknowledgment number
                                          E. checksum
                                          F. destination port


                                          Question 5

                                          Which of the following is the signaling standard that is responsible for managing the connection and maintaining status between the router and the local Frame Relay switch?

                                          A. FECN
                                          B. BECN
                                          C. DLCI
                                          D. CIR
                                          E. PVC
                                          F. LMI


                                          Solutions:

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

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