Worksheets105p2 Modules 9, 10, 11, & 12
Total questions: 32
Worksheet time: 32mins
Name
Class
Date
1.
(Module 9)
What is the term used to indicate a variation of delay?
a)
jitter
b)
serialization delay
c)
speed mismatch
d)
latency
2.
A network engineer performs a ping test and receives a value that shows the time it takes for a packet to travel from a source to a destination device and return. Which term describes the value?
a)
latency
b)
jitter
c)
priority
d)
bandwidth
3.
What role do network devices play in the IntServ QoS model?
a)
Network devices ensure that resources are available before traffic is allowed to be sent by a host through the network.
b)
Network devices are configured to service multiple classes of traffic and handle traffic as it may arrive
c)
<br />Network devices use QoS on a hop-by-hop basis to provide excellent scalability.
d)
Network devices provide a best-effort approach to forwarding traffic.
4.
Which device would be classified as a trusted endpoint?
a)
router
b)
IP Phone
c)
firewall
d)
switch
5.
Under which condition does congestion occur on a converged network with voice, video, and data traffic?
a)
if video traffic requests more bandwidth than voice traffic requests
b)
if the request for bandwidth exceeds the amount of bandwidth available
c)
if a user downloads a file that exceeds the file limitation that is set on the server
d)
if voice traffic latency begins to decrease across the network
6.
Which type of traffic does Cisco recommend be placed in the strict priority queue (PQ) when low latency queuing (LLQ) is being used?
a)
video
b)
management
c)
voice
d)
data
7.
Which model is the only QoS model with no mechanism to classify packets?
a)
hard QoS
b)
IntServ
c)
DiffServ
d)
best-effort
8.
What are two characteristics of voice traffic? (Choose two.)
a)
it is bursty.
b)
it consumes few network resources
c)
it can tolerate latency up to 400ms
d)
it is insensitive to packet loss
e)
it is delay sensitive
9.
(Module 10)
What are two reasons for an administrator to issue the copy running-config tftp command on a switch or router? (Choose two.)
a)
to have a backup of the running configuration file in the router
b)
to save the running configuration file to a remote location
c)
to transfer the current configuration file to a server
d)
to force an automatic reload of the device
e)
to overwrite the current configuration
10.
What information can be gathered about a neighbor device from the show cdp neighbors detail command that cannot be found with the show cdp neighbors command?
a)
the platform that is used by the neighbor
b)
the hostname of the neighbor
c)
the IP address of the neighbor
d)
the capabilities of the neighbor
11.
When SNMPv1 or SNMPv2 is being used, which feature provides secure access to MIB objects?
a)
community strings
b)
source validation
c)
message integrity
d)
packet encryption
12.
What command must be issued on a Cisco router that will serve as an authoritative NTP server?
a)
ntp server 172.16.0.1
b)
ntp master 1
c)
clock set 11:00:00 DEC 20 2010
d)
ntp broadcast client
13.
Which protocol or service can be configured to send unsolicited messages to alert the network administrator about a network event such as an extremely high CPU utilization on a router?
a)
NTP
b)
syslog
c)
NetFlow
d)
SNMP
14.
Which statement describes a syslog message severity level?
a)
Severity level 0 is the most critical severity level.
b)
A severity level 7 message is only accessible through the terminal line.
c)
A syslog alarm at the severity level 4 and higher is sent to an external syslog server by default.
d)
A syslog alarm with a severity level of 7 indicates an emergency situation that can render the system unusable.
15.
What is an SNMP management agent?
a)
software that is installed on devices managed by SNMP
b)
a communication protocol that is used by SNMP
c)
a database that a device keeps about network performance
d)
a computer loaded with management software and used by an administrator to monitor a network
16.
What are two characteristics of SNMP community strings? (Choose two.)
a)
Commonly known community strings should be used when configuring secure SNMP.
b)
A vulnerability of SNMPv1, SNMPv2, and SNMPv3 is that they send the community strings in plaintext.
c)
SNMP read-write community strings can be used to set information on an SNMP-enabled device.
d)
If the manager sends one of the correct read-only community strings, it can get information and set information in an agent.
e)
SNMP read-only community strings can be used to get information from an SNMP-enabled device.
17.
(Module 11)
Which cost-effective physical network topology design is recommended when building a three-tier campus network that connects three buildings?
a)
extended star
b)
dual ring
c)
bus
d)
mesh
18.
How much traffic is a 48-port gigabit switch capable of switching when operating at full wire speed?
a)
24 Gb/s, because this is the maximum forwarding rate on Cisco switches
b)
48 Gb/s, by providing full bandwidth to each port
c)
44 Gb/s, due to overhead requirements
d)
1 Gb/s, because data can only be forwarded from one port at a time
19.
What is the term that is used for the area of a network that is affected when a device or network service experiences problems?
a)
failure domain
b)
collision domain
c)
user domain
d)
broadcast domain
20.
Which type of router would an enterprise use to allow customers to access content anytime and anyplace, regardless of whether they are at home or work?
a)
modular routers
b)
network edge routers
c)
branch routers
d)
service provider routers
21.
Which design feature will limit the size of a failure domain in an enterprise network?
a)
the installation of redundant power supplies
b)
the purchase of enterprise equipment that is designed for large traffic volume
c)
the use of the building switch block approach
d)
the use of a collapsed core design
22.
What is a function of the distribution layer?
a)
network access to the user
b)
interconnection of large-scale networks in wiring closets
c)
high-speed backbone connectivity
d)
fault isolation
23.
Which action should be taken when planning for redundancy on a hierarchical network design?
a)
Implement STP PortFast between the switches on the network.
b)
Immediately replace a nonfunctioning module, service ,or device on a network.
c)
Add alternate physical paths for data to traverse the network.
d)
Purchase backup equipment for every network device at the distribution layer.
24.
Which technology is required when switched networks are designed to include redundant links?
a)
Spanning Tree Protocol
b)
virtual LANs
c)
virtual private networks
d)
link aggrergation
25.
(Module 12)
Which statement describes the physical topology for a LAN?
a)
It shows the order in which hosts access the network.
b)
It depicts the addressing scheme that is employed in the LAN.
c)
It defines how hosts and network devices connect to the LAN.
d)
It describes whether the LAN is a broadcast or token-passing network.
26.
A network engineer is troubleshooting a network problem where users cannot access the FTP server at the same IP address where a website can be successfully accessed. Which troubleshooting method would be the best to apply in this case?
a)
bottom-up
b)
divide-and-conquer
c)
top-down
d)
middle-out
27.
A computer technician performed a number of actions to correct a problem. Some actions did not solve the problem, but eventually a solution was found. What should be documented?
a)
only the solution, because this solved the problem
b)
only the failed attempts, so that future technicians will know what not to try
c)
everything that was done to try to solve the problem
d)
a description of the problem and solution
28.
A network engineer is troubleshooting a network problem and can successfully ping between two devices. However, Telnet between the same two devices does not work. Which OSI layers should the administrator investigate next?
a)
all of the layers
b)
only the network layers
c)
from the network layer to the application layer
d)
from the network layer to the physical layer
29.
A network technician is troubleshooting an email connection problem. Which question to the end-user will provide clear information to better define the problem?
a)
When did your first notice your email problem?
b)
What kind of equipment are you using to send emails?
c)
How big are the emails you tried to send?
d)
Is your email working now?
30.
Which troubleshooting tool can be used to pinpoint the distance to a break in a network cable?
a)
digital multimeter
b)
dable tester
c)
network analysis module
d)
network analyzer
31.
Which troubleshooting software is an example of a network management system tool?
a)
WhatsUp Gold
b)
LANsurveyor
c)
CyberGauge
d)
Wireshark
32.
What is the purpose of establishing a network baseline?
a)
to document and analyze the network traffic
b)
to provide an inventory of network device
c)
to help monitor and troubleshoot network performance
d)
to verify the configuration of routers and switches on the network
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