WorksheetsModule 12 Pre-Assessment
Total questions: 12
Worksheet time: 6mins
What are two reasons to create a network baseline? (Choose two.)
to determine what kind of equipment to implement
to evaluate security vulnerabilities in the network
to identify future abnormal network behavior
to design a network according to a proper model
to determine if the network can deliver the required policies
A computer can access devices on the same network but cannot access devices on other networks. What is the probable cause of this problem?
The cable is not connected properly to the NIC.
The computer has an invalid IP address.
The computer has an incorrect subnet mask.
The computer has an invalid default gateway address.
In which step of gathering symptoms does the network engineer determine if the problem is at the core, distribution, or access layer of the network?
Document the symptoms.
Determine the symptoms.
Gather information.
Determine ownership.
Narrow the scope.
Refer to the exhibit. Why are routers R1 and R2 not able to establish an OSPF adjacency?
The router ID values are not the same in both routers.
The serial interfaces are not in the same area.
The process numbers are not the same in both routers.
A backbone router cannot establish an adjacency with an ABR router.
When is the most appropriate time to measure network operations to establish a network performance baseline?
at random times during a 10 week period, so that abnormal traffic levels can be detected
during quiet vacation periods, so that the level of non-data traffic can be determined
whenever high network use is detected, so that how the network performs under stress can be monitored
at the same time each day across a set period of average working days, so that typical traffic patterns can be established
What is the principle that is applied when a network technician is troubleshooting a network fault by using the divide-and-conquer method?
Testing is performed at all layers of the OSI model until a non-functioning component is found.
Once it is verified that a component in a particular layer is functioning properly, testing can then be performed on any other layer.
Testing is performed at Layer 7 and at Layer 1, then at Layers 6 and 2, and so on, working towards the middle of the stack until all layers are verified as operational.
Once it is verified that components in a particular layer are functioning properly, it can then be assumed that components in the layers below it are also functional.
Refer to the exhibit. A user has configured a NIC on the PC as shown but finds that the PC is unable to access the Internet. What is the problem?
The preferred DNS address is incorrect.
There should not be an alternate DNS server.
The settings were not validated upon exit.
The default gateway address is incorrect.
Which troubleshooting tool would a network administrator use to check the Layer 2 header of frames that are leaving a particular host?
protocol analyzer
baselining tool
knowledge base
CiscoView
Refer to the exhibit. A network engineer configured an ACL preventing Telnet and HTTP access to the HQ web server from guest users in the Branch LAN. The address of the web server is 192.168.1.10 and all guest users are assigned addresses in the 192.168.10.0/24 network. After implementing the ACL, no one can access any of the HQ servers. What is the problem?
Inbound ACLs must be routed before they are processed.
The ACL is implicitly denying access to all the servers.
Named ACLs require the use of port numbers.
The ACL is applied to the interface using the wrong direction.
Refer to the exhibit. A network administrator has configured OSPFv2 on the two Cisco routers as shown. PC1 is unable to connect to PC2. What should the administrator do first when troubleshooting the OSPFv2 implementation?
Test Layer 3 connectivity between the directly connected routers.
Turn off OSPFv2.
Disconnect the serial link between router R1 and R2.
Implement the network 192.168.255.0 0.0.0.3 area 0 command on router R1.
A user is unable to reach the website when typing http://www.cisco.com in a web browser, but can reach the same site by typing http://72.163.4.161 . What is the issue?
default gateway
DHCP
DNS
TCP/IP protocol stack
Refer to the exhibit. R1 and R3 are connected to each other via the local serial 0/0/0 interface. Why are they not forming an adjacency?
They are in different subnets.
They have different routing processes.
They have different router IDs.
The connecting interfaces are configured as passive.
