WorksheetsMod 12-14
Total questions: 123
Worksheet time: 1hrs 5mins
Which topology diagram displays IP addresses?
IP topology
Logical topology
Physical topology
Port topology
Which document could be referenced to identify the OS on a server?
End-system documentation
LAN switch device documentation
Router device documentation
Which three statements will a network baseline answer? (Choose three.)
How does the network perform during a normal or average day?
How much did the network cost?
What are the network policies?
What part of the network is least used?
What part of the network is most heavily used?
True or False? A network baseline never ends and continually gathers information on a yearly basis.
True
False
Which command could be used to get detailed information about directly connected Cisco neighbor devices?
Show cdp neighbor
Show ip interface
Show ip route
Show version
Which option lists the three troubleshooting stages in the correct order?
Gather symptoms, implement corrective action, and isolate the problem
Gather the symptoms, isolate the problem, and implements corrective action
Implement corrective action, gather symptoms, and isolate the problem
Implement corrective action, isolate the problem, and gather symptoms
In which step of the seven-step troubleshooting process, would you create a rollback plan identifying how to quickly reverse a solution?
Define problem
Gather information
Propose hypothesis
Test hypothesis
Which are recommendations to be used when communicate with a user?
Always be considerate and empathize with users
Always listen or carefully read what the user is saying
Speak at a technical level they can understand
All the above
During the gathering information step, which command would display the configured protocols and the global and interface-specific status of any configured Layer 3 protocol?
Show interface
Show ip interface brief
Show ip protocols
Show protocols
Show version
What is the highest OSI layer that should be considered when troubleshooting routers and Layer 3 switches?
Layer 1
Layer 2
Layer 3
Layer 4
Layer 7
Which structured troubleshooting method should be used when a cabling problem is suspected?
Bottom-up troubleshooting method
Comparison troubleshooting method
Divide-and-conquer troubleshooting
Top-down troubleshooting method
Which structured troubleshooting method should be used when a software orientated problem occurs?
Bottom-up troubleshooting method
Comparison troubleshooting method
Divide-and-conquer troubleshooting
Top-down troubleshooting method
Which of these is an on-line network device vendor resource that can be used as a source of information?
Baselining tool
Knowledge base
Network management system (NMS)
Protocol analyzer
Which tool is useful to investigate packet content while flowing through the network?
Baselining tool
Knowledge base
Network management system (NMS)
Protocol analyzer
Which hardware troubleshooting tool is a multifunctional handheld device used to test and certify copper and fiber cables for different services and standards?
Cable analyzer
Cable tester
Digital multimeters
Network analysis module
Portable network analyzers
Cisco IOS log messages fall into one of eight levels. Which syslog logging level is used to log the highest severity level?
0
1
4
6
7
Which OSI layer are you troubleshooting when the cause of network transmission errors is due to late collisions, short frames, and jabber?
Application
Data link
Network
Physical
Transport
Which OSI layer are you troubleshooting when investigating a spanning-tree loop?
Application
Data link
Network
Physical
Transport
Which OSI layer are you troubleshooting when investigating a routing protocol loop?
Application
Data link
Network
Physical
Transport
Which OSI layer are you troubleshooting when investigating an extended ACL related problem?
Application
Data link
Network
Physical
Transport
Which OSI layer are you troubleshooting when investigating a DNS related problem?
Application
Data link
Network
Physical
Transport
Which IOS command can be used to test if other network protocols are working?
Ping
SSH
Telnet
Traceroute
Which statement describes the physical topology for a LAN?
It depicts the addressing scheme that is employed in the LAN
It describes whether the LAN is a broadcast or token-passing network
It show the order in which hosts access the network
It defines how hosts and network devices connect to the LAN
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?
Divide-and-conquer
Bottom-up
Comparing IP settings one user workstations
Top-down
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 description of the problem and solution
Only the solution, because this solved the problem
Only the failed attempts, so that future technicians will know what not to try
Everything that was done to try to solve the problem
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?
Only the network layer
All of the layers
From the network layer to the physical layer
From the network layer to the application layer
While designing changes to a data center because of a new IoE implementation, a network administrator has the job of diagramming the new physical topology of the area. What should be included in the physical topology diagram?
Technical specifications of firewalls
The IP addressing scheme for all workstations in the company
The service level agreement from the ISP
Cable locations and lengths between servers and switches
A network technician is troubleshooting an email connection problem. Which question to the end-user will provide clear information to better define the problem?
Is your email working now?
When did you first notice your email problem?
How big are the emails you tried to send?
What kind of equipment are you using to send emails?
Which troubleshooting tool can be used to pinpoint the distance to a break in a network cable?
Digital multimeter
Network analyzer
Cable tester
Network analysis module
Which troubleshooting software is an example of a network management system tool?
CyberGauge
Wireshark
WhatsUp Gold
LAN surveyor
Which troubleshooting software is an example of a network management system tool?
To document and analyze the network traffic
To provide an inventory of network devices
To help monitor and troubleshoot network performance
To verify the configuration of routers and switches on the network
After which step in the network troubleshooting process would one of the layered troubleshooting methods be used?
Documenting symptoms
Gathering symptoms from suspect devices
Determining ownership
Narrowing the scope
A company is setting up a web site with SSL technology to protect the authentication credentials required to access the web site. A network engineer needs to verify that the setup is correct and that the authentication is indeed encrypted. Which tool should be used?
Cable analyzer
Protocol analyzer
Baselining tool
Fault-management tool
When should a network performance baseline be measured?
During normal work hours of an organization
When a denial of service attack to the network is detected and blocked
Immediately after the main network devices restarted
After normal work hours to reduce possible interruptions
A networked PC is having trouble accessing the Internet, but can print to a local printer and ping other computers in the area. Other computers on the same network are not having any issues. What is the problem?
The link between the switch to which the PC connects and the default gateway router is down
The PC has a missing or incorrect default gateway
The default gateway router does not have a default route
The switch port to which the PC connects has an incorrect VLAN configured
A technician installed a network adapter in a computer and wants to test network connectivity. The ping command can receive responses from workstations on the same subnet but not from remote workstations. What could be causing the problem?
The operating system is not compatible with remote sites
The TCP/IP protocol stack is not loaded
The default gateway is incorrect
The NIC driver is out of date
What network troubleshooting capability is provided by a cable analyzer?
Testing and certifying of copper and fiber cables
Discovering VLAN configuration and viewing switch interface details
Measuring electrical values of voltage, current, and resistance
Generating reports on traffic that is consuming critical network resources
Which cloud service provides programmers access to the development tool and services used to deliver applications?
SaaS
PaaS
laaS
Which cloud service provides users with access to services such as email, communications, and Office 365 delivered over the internet?
SaaS
PaaS
laaS
Which cloud service provides IT managers with access to network equipment, virtualized services, and a supporting network infrastructure?
SaaS
PaaS
laaS
Which cloud model represents two or more clouds where each part remains a distinctive object, but both are connected using a single architecture?
Public cloud
Private cloud
Hybrid cloud
Community cloud
Which cloud model is used to meet the needs of a specific industry, such as healthcare or media?
Public cloud
Private cloud
Hybrid cloud
Community cloud
What technology separates the OS from the hardware?
Web application
Virtualization
Dedicate servers
Firmware
What device uses all the RAM, processing power, and hard drive space devoted to one service?
Virtual machine
Type 1 hypervisor
Dedicated server
Virtualized server
Which technology is a program, firmware, or hardware that adds an abstraction layer on top of the physical hardware?
Web application
Virtualization
Dedicated server
Hypervisor
What are the major advantages of virtualization? (Choose three)
Requires less equipment
Less abstraction
Fewer operating systems
Faster provisioning
Increased server uptime
Which technology is installed on top of the existing OS to create and run VM instances?
Type 2 hypervisor
Web applications
Virtualization
Dedicated servers
True or False. A Type 1 hypervisor is installed on top of the existing OS and is called the hosted approach
True
False
True of False. A Type 1 hypervisor requires a management console to manage the hypervisor.
True
False
True or False. Management consoles prevent server over allocation.
True
False
True of False. East-West traffic is exchanged between virtual servers in the same data center.
True
False
Which characteristic best describes the control plane of a networking device? (Choose three.)
Information sent to this place is processed by the CPU
This place is also called the forwarding plane
This plane makes forwarding decisions
This plane contains router protocol neighbor and topology tables
This plane is responsible for switching frames out the interfaces
Which characteristics best describe the data plane of a networking device? (Choose three.)
This plane is the brains of the device
This plane is used to forward traffic flows
Information in this plane is typically processed by a special processor
This plane contains IPv4 and IPv6 routing tables
This plane is typically made up of a switch fabric connecting the various ports on a device
True of False. A network administrator accesses the control plane to configure a device.
True
False
This network architecture offers a new approach to network administration and management that seeks to simplify and streamline the administration process.
Network virtualization
SDN
Cisco ACI
Centralized controller
This is a logical entity that enables network administrators to manage and dictate how the data plane of switches and routers should handle network traffic.
Control plane
Data plane
VM
SDN controller
This is a standardized request from the SDN controller to define the behavior of the data plane.
North-south traffic
Northbound APIs
East-West traffic
Southbound APIs
This is a table that matches incoming packets to a particular flow and specifies the functions that are to be performed on the packet.
Neighbor table
Routing table
Flow table
ARP table
Meter table
This is a table that triggers a variety of performance-related actions on a flow including the ability to rate-limit the traffic.
Neighbor table
Routing table
Flow table
ARP table
Meter table
This type of SDN, a centralized location is responsible for managing devices throughout the network.
Device-based SDN
Controller-based SDN
Policy-based SDN
In this type of SDN, the devices are programmable by applications running on the device itself or on a server in the network.
Device-based SDN
Controller-based SDN
Policy-based SDN
This type of SDN uses built-in applications that automate advanced configuration tasks via a guided workflow and user-friendly GUI. No programming skills are required.
Device-based SDN
Controller-based SDN
Policy-based SDN
A company uses a cloud-based payroll system. Which cloud computing technology is this company using?
Browser as a service (BaaS)
Software as a service (SaaS)
Infrastructure as a service (IaaS)
Wireless as a service (WaaS)
For a data center, what is the difference in the server virtualization data traffic compared with the traditional client-server model?
Data traffic from clients will be routed to multiple virtual servers
More network control traffic is generated between virtual servers and clients
There is more data traffic flowing from virtual servers to clients
There are significant data exchanges between virtual servers
Which component in a traditional infrastructure device provides Layer 2 and Layer 3 functions to create data paths within a network?
Data plane
Control plane
Adjacency table
Forwarding information base
Which network traffic management technology is a basic element in SDN implementations?
Interface to the routing system
IEEE 802.1aq
OpenStack
OpenFlow
Which two technologies are core components of Cisco ACI architecture? (Choose two.)
Application network profile
OpenFlow enabled switches
Application policy infrastructure controller
Transparent Interconnection of lots of links
Interface to the routing system
Which Cloud computing service would be best for a new organization that cannot afford physical servers and networking equipment and must purchase network services on-demand?
ITaaS
PaaS
SaaS
IaaS
Which services are provided by a private cloud?
Secure communications between sensors and actuators
Multiple internal IT services in an enterprise
Online services to trusted vendors
Encrypted data storage in cloud computing
What are two reasons an organization might use cloud computing? (Choose two.)
Increase corporate use of technology resources
Enables connectivity between disparate networks
Providers power and physical plants capable of meeting increased requirements
Reduces the time needed for maintenance windows
Enables global access to corporate data
What is a characteristic of data flow processing in SDN?
OpenStack is used to construct the entry in switches to facilitate data forwarding
Each data flow through the network must be approved by the SDN controller first
The SDN controller routes a data flow first and the data plane will use policies to permit or deny the flow
The SDN controller attaches an entry to each packet to identify the flow
What are three abstraction layers of a computer system? (Choose three.)
Hardware
Firmware
Services
Security
Data
In software defined network architecture, what function is removed from network devices and performed by an SDN controller?
Application policies
Data plane
Control plane
Security
Which term describes the data exchanges between virtual servers in a data center?
Backbone traffic
North-south traffic
Vertical traffic
East-west traffic
How is the control plane modified to operate with network virtualization?
The control plane on each device is interconnected to a dedicated high-speed network
The control plan function is consolidated into a centralized controller
Control plan redundancy is added to each network device
A hypervisor is installed in each device to allow multiple instances of the control plane
Which Cloud computing service would be best for an organization that needs to collaboratively create applications and deliver them over the web?
IaaS
SaaS
ITaaS
PaaS
You use online banking to pay a bill.
Automation
Not Automation
Production levels are automatically tied to demand, eliminating unneeded product and reducing the impact on the environment.
Automation
Not Automation
Your GPS recalculates the best route to a destination based on current traffic congestion
Automation
Not Automation
The temperature and lighting in your home is adjusted based on your daily routine.
Automation
Not Automation
A refrigerator senses that you are out of milk and places an order for more.
Automation
Not Automation
You adjust the volume on the television set with a remote control.
Automation
Not Automation
Robots are used in dangerous conditions to reduce safety risks to humans.
Automation
Not Automation
You open your car door with a remote control.
Automation
Not Automation
Which of the following data formats is typically used to display web pages?
HTML
XML
JSON
YAML
Which of the following describes a key/value pair?
A key is a string and a value is a list
A key/value pair is another name for an array
A key describes the data and the value is the data itself
A key/value pair is only used in JSON
TRUE or FALSE: White space in JSON format is significant and must be correctly formatted.
True
False
This data format is a minimalist format that is very easy to read and is considered a superset of another data format.
HTML
XML
JSON
YAML
This data format is self-descriptive through the use of the <tag>data</tag> structure.
HTML
XML
JSON
YAML
True or False: An API is a set of rules describing how one application can interact with another, and the instructions to allow the interaction to occur.
True
False
Which of the following APIs would be used exclusively between Google and Cisco?
Open or public API
Internal or private API
Partner API
Which of the following APIs is used by Cisco to provide access to students to complete labs?
Open or public API
Internal or private API
Partner API
Which of the following APIs would be used exclusively between computing devices within Cisco?
Open or public API
Internal or private API
Partner API
Which of the following APIs provides flexible formatting and is the most widely used?
SOAP
REST
XML-RPC
JSON-RPC
An API in considered RESTful if it has which of the following features? (Choose three.)
Stateful
Stateless
Cacheable
Cacheless
Client-Server
Which of the following is a URL?
www.cisco.com/c/en/us/solutions/design-zone.html
#~all-guides
Which of the following is a URN?
www.cisco.com/c/en/us/solutions/design-zone.html
#~all-guides
Which of the following is a URI?
www.cisco.com/c/en/us/solutions/design-zone.html
#~all-guides
Which of the following make up the query portion of a RESTful request? (Choose three.)
Key
Format
Parameters
Resources
API server
Which of the following are not typically used as configuration tools? (Choose two.)
API
Chef
Puppet
SaltStack
SNMP
Identify the term for the following definition in relationship to configuration management tools: Programmatically performing a task on a system such as configuring an interface or deploying a VLAN.
Version control
Automation
Orchestration
Network Management
Identify the term for the following definition in relationship to configuration management tools: The process of how all automated activities need to happen, such as the order they must be done and what must be completed before another task is begun.
Version control
Automation
Orchestration
Network management
True or False: Agentless means that the controller or master pushes the configuration to the controlled device.
True
False
Which of the following configuration management tools use Python? (Choose all that apply.)
Ansible
Chef
Puppet
SaltStack
Which IBN feature is responsible for continuous validation and verification that the network is meeting the expressed intent?
Translation
Activation
Assurance
Network Infrastructure
Which IBN feature enables the network administrator to express the expected networking behavior that will best support the business intent?
Translation
Activation
Assurance
Network Infrastructure
Which IBN feature installs policies that capture intent into the physical and virtual network infrastructure using networkwide automation?
Translation
Activation
Assurance
Network Infrastructure
True or False: The underlay limits the number of devices the network administrator must program. It also provides services and alternative forwarding methods not controlled by the underlying physical devices.
True
False
What is JSON?
It is a database
It is a data format for storing and transporting data
It is a compiled programming language
It is a scripting language
What is an architectural constraint to which a true RESTful API web service must adhere?
It operates as a cloud service
It must support the XML data format
It uses HTTPS to transport data
It runs as client/server model
In the RESTful API request example, http://www.mapquestapi.com/directions/v2/route?outFormat=json&key=KEY&from=San+Jose,Ca&to=Monterey,Ca, which term describes the component directions/v2/route?
Query
Parameters
API server
Resources
Which statement describes an API?
It is a set of rules that filter network traffic for web-based applications
It is a set of functions and subroutines to be used in a comprehensive application
It is a set of functions and procedures that allows a client application to access the data of the service application
It is programming language for creating a web-based application
Which term describes the process of managing configuration changes of network devices in an orderly fashion?
Orchestration
Automation
Version control
Provisioning
Which web service API can use multiple data formats including JSON, XML, and YAML?
REST
JSON-RPC
SOAP
XML-RPC
What are two reasons that most RESTful APIs require a key in the request? (Choose two.)
To specify the data format expected from the response
To gather information on the people using the API
To authenticate the requesting source
To make sure that the query matches the service offered by the web applications
To encrypt the query message in the API request
What is a difference between the XML and HTML data formats?
XML encloses data within a pair of tags whereas HTML uses a pair of quotation marks to enclose data
XML requires indentation for each key/value pair whereas HTML does not require indentation
XML uses a self-descriptive data structure but HTML uses a standard document structure
XML formats data in hexadecimal whereas HTML formats data in binary
A programmer is using Ansible as the configuration management tool. Which term is used to describe a set of instructions for execution?
Pillar
Manifest
Cookbook
Playbook
Which term is used to describe a set of instructions for execution by the configuration management tool Chef?
Pillar
Manifest
Cookbook
Playbook
Which two configuration management tools are developed using Python? (Choose two.)
SaltStack
Puppet
Chef
NETCONF
Ansible
Which function of the Cisco intent-based networking system (IBNS) enables network operators to express the expected networking behavior that will best support the business intent?
ACL analysis
Activation
Assurance
Translation
Which types of APIs are suitable for the data communication between a travel website and a hotel chain inquiring about room availability data?
Open APIs
Internal APIs
Partner APIs
Public APIs
Which characters are used to enclose a JSON key?
Square brackets
Quotation marks
Colons
Commas
Which character is used to separate JSON key/value pairs?
(Comma) ,
(Dash) -
(Semi colon) ;
(Forward slash) /
