CCNA 640 - 801: Section 2
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1. You are a network technician. Your trainee is studying the spanning tree algorithm and wants to know what the default mechanism for determining the spanning-tree path cost is.
What would your reply be?
A.
Statically determined by the administrator.
B.
Sum of the costs based on bandwidth.
C.
Total hop count.
D.
Sum of the cost based on latency.
2. You are a network technician. You are planning a network installation for the company. The design requires 100 separate subnetworks, resulting in the acquisition of a Class B network address.
Which of the following subnet masks will provide the 100 subnet required, if 500 usable host addresses are required per subnet?
A.
255.255.0.0
B.
255.255.224.0
C.
255.255.254.0
D.
255.255.255.0
E.
255.255.255.224
F.
255.255.255.254
3. What could you use to prevent rooting loops in the network when configuring the network using a distance vector routing protocol? (Choose all that apply.)
A.
Spanning Tree Protocol
B.
Shortest path first tree
C.
Link-state advertisements (LSA)
D.
Hold-down timers
E.
Split horizon
F.
VRP
4. Which of the following encapsulations can be used when configuring a serial interface on a Cisco router? (Choose all that apply.)
A.
Token Ring
B.
Ethernet
C.
HDLC
D.
PPP
E.
Frame Relay
F.
CHAP
5. You are a network technician. Your company has a class C network license. The company requires 5 usable subnets. Each subnet must accommodate at least 18 hosts.
Which network mask should you use?
A.
225.225.224.0.
B.
225.225.240.0.
C.
225.225.255.0.
D.
255.255.255.224
E.
225.225.255.240
6. You are a network technician. You have completed the password recovery procedure on a Cisco router successfully and the router returned to normal operation.
What is configuration register value at this point in time?
A.
0x2112
B.
0x2104
C.
0x2102
D.
0x2101
E.
0x2100
7. Which of the following addresses can be assigned to network hosts when given a subnet mask of 255.255.255.224? (Choose all that apply.)
A.
15.234.118.63
B.
92.11.178.93
C.
134.178.18.56
D.
192.168.16.87
E.
201.45.116.159
F.
217.63.12.192
8. Documenting the name of the IOS image file of each router in the network is part of updating network documentation.
Which of the following commands can be used to obtain this information?
A.
Router# show IOS
B.
Router# show version
C.
Router# show image
D.
Router# show protocols
E.
Router# show flash
9. What will be the calculated OSPF cost of an OSPF interface that has been configured with the bandwidth 64 command?
A.
1
B.
10
C.
64
D.
1562
E.
64000
F.
128000
10. Which of the following statements describes the rule of split horizon?
A.
Only routers can split boundaries (horizons) between concentric networks.
B.
Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.
C.
Networks can only remain fully converged if all information is sent out all active interfaces.
D.
Information about a route should not be sent back in the direction from which the original update came.
E.
Distance vector protocols need fall back routers that are responsible for momentary loops.
11. Which of the following features are PPP characteristics? (Choose all that apply.)
A.
Encapsulates several different types of routing protocols.
B.
Supports only IP.
C.
Can be used over analog circuits.
D.
Maps Layer addresses.
E.
Corrects errors.
12. You are a network technician. You are troubleshooting a connectivity problem. You issue the ping command during a router console session. Your trainee wants to know what the ping command use to test connectivity between the two devices.
What would your reply be?
A.
ICMP echo request
B.
Information interrupt request
C.
Timestamp reply
D.
Source quench
13. You are a network technician. You must assign static IP addresses to the servers in your company network. For network 192.168.20.24/29 the router is assigned the first usable host address while the sales server is given the last usable host address.
Which of the following should be entered into the IP properties box for the sales server?
A.
IP address: 192.168.20.14 Subnet Mask: 255.255.255.248 Default Gateway: 192.168.20.9
B.
IP address: 192.168.20.254 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.20.1
C.
IP address: 192.168.20.30 Subnet Mask 255.255.255.248 Default Gateway: 192.168.20.25
D.
IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway: 192.168.20.17
E.
IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway: 192.168.20.25
14. Which of the following statements regarding the store and forward switching method are true? (Select two options.)
A.
Latency fluctuates regardless of frame size.
B.
The switch receives the complete frame before beginning to forward it.
C.
Latency through the switch varies with frame length.
D.
The switch checks the destination address upon receipt of headers.
15. Which of the following options can be negotiated using LCP during the PPP link establishment? (Select three options.)
A.
Q.931
B.
IPCP
C.
multilink
D.
CHAP
E.
callback
16. You are a network technician at your company. Your trainee asks you what 11111000 binary is in decimal.
What would your reply be?
A.
220
B.
224
C.
240
D.
248
E.
256
17. You are a network technician. You are required to troubleshoot a network connectivity problem. While busy, you observe steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message “Request timed out” is displayed.
At which layer of the OSI model does this problem reside?
A.
The data link layer
B.
The application layer
C.
The access layer
D.
The session layer
E.
The network layer
18. Which of the following statements are characteristic of a typical VLAN arrangement? (Choose all that apply.)
A.
VLANs logically divide a switch into multiple, independent switches at Layer 2.
B.
Trunk links can carry traffic for multiple VLANs.
C.
VLAN implementation significantly increases traffic due to adding trunking information.
D.
A VLAN can span multiple switches.
E.
VLANs extend the collision domain to include multiple switches.
F.
VLANs typically decrease the number of multiple switches.
19. You are a network technician. You are using a switch to break up a broadcast domain.
Which features of the switch enables this?
A.
Transparent bridging
B.
Cut-through bridges
C.
Fragment-free switches
D.
Microsegmentation
E.
Virtual LANs
F.
Store-and-forward switching
20. What is the function of access control lists (ACLs)? (Choose all that apply.)
A.
Monitor the number of bytes and packets.
B.
Assume role off virus detector.
C.
Identify interesting traffic for DDR.
D.
IP route filtering.
E.
Provide high network availability.
F.
Classify and organizing network traffic.