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Cisco Certified Network Associate(CCNA) Sample Questions:

1. The corporate head office has a teleconferencing system that uses VOIP(voice over IP) technology. This system uses UDP as the transport for the data transmissions. If these UDP datagrams arrive at their destination out of sequence, what will happen?

A) UDP will send an ICMP information Request to the source host.
B) UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
C) UDP will use the sequence numbers in the datagram headers to reassemble the data in the correct order.
D) UDP will drop the datagrams.

2. When you are troubleshooting an ACL issue on a router, which command can help you to verify which interfaces are affected by the ACL?

A) show access-lists
B) show interface
C) show ip access-lists
D) list ip interface
E) show ip interface

3. What is the function of the command switchport trunk native vlan 999 on a trunk port?

A) It blocks VLAN 999 traffic from passing on the trunk.
B) It creates a VLAN 999 interface.
C) It designates VLAN 999 for untagged traffic.
D) It designates VLAN 999 as the default for all unknown tagged traffic.

4. Which series of commands will configure router R1 for LAN-to-LAN communication with router R2? The enterprise network address is 192.1.1.0/24 and the routing protocol in use is RIP. (Choose three.)

A) R1(config)# interface ethernet 0 R1(config-if)# ip address 192.1.1.129 255.255.255.192 R1(config-if)# no shutdown
B) R1(config)# router rip R1(config-router)# version 2 R1(config-router)# network 192.1.1.0
C) R1(config)# interface ethernet 0 R1(config-if)# ip address 192.1.1.97 255.255.255.192 R1(config-if)# no shutdown
D) R1(config)# router rip R1(config-router)# network 192.1.1.4 R1(config-router)# network 192.1.1.128
E) R1(config)# interface serial 0 R1(config-if)# ip address 192.1.1.6 255.255.255.252 R1(config-if)# no shutdown
F) R1(config)# interface serial 0 R1(config-if)# ip address 192.1.1.4 255.255.255.252 R1(config-if)# clock rate 56000

5. Which three statements are typical characteristics of VLAN arrangements? (Choose three.)

A) VLANs typically decrease the number of collision domains.
B) A new switch has no VLANs configured.
C) Each VLAN uses a separate address space.
D) VLANs cannot span multiple switches.
E) A switch maintains a separate bridging table for each VLAN.
F) Connectivity between VLANs requires a Layer 3 device.

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