NET125 CH 17
What is necessary to plan and use when implementing a network? -device names -IP addressing scheme -MAC addressing scheme -printer location
-IP addressing scheme
Which process failed if a computer cannot access the internet and received an IP address of 169.254.142.5? DHCP IP DNS HTTP
DHCP
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? TCP/IP protocol stack default gateway DNS DHCP
DNS
What Windows 10 tool is useful to determine which applications are using network services on a host? -Control panel -Data Usage -File Manager -Windows Defender Firewall -Windows Explorer
Data Usage
What mechanism can be implemented in a small network to help minimize network latency for real-time streaming applications? QoS AAA ICMP PoE
QoS
Which software installed on key hosts can reveal the types of network traffic flowing through the network? -Linux -MacOS -SSH -Windows -Wireshark
Wireshark
Where are Cisco IOS debug output messages sent by default? -console line -vty lines -memory buffers -Syslog servers
console line
Which factor must be considered when selecting network devices? -color -console connections -cost -elasticity
cost
What factor should be considered in the design of a small network when devices are being chosen? cost of devices redundancy traffic analysis ISP
cost of devices
Which network design consideration would be more important to a large corporation than to a small business? Internet router low port density switch firewall redundancy
firewall
Which element of scaling a network involves identifying the physical and logical topologies? cost analysis traffic analysis device inventory network documentation
network documentation
A technician is using the debug ip icmp privileged EXEC command to capture live router output. Which commands would stop this debug command on a Cisco router? (Choose two.) debug ip icmp off no debug debug ip icmp no debug ip icmp undebug all undebug debug ip icmp
no debug ip icmp undebug all
A network technician suspects that a particular network connection between two Cisco switches is having a duplex mismatch. Which command would the technician use to see the Layer 1 and Layer 2 details of a switch port? show mac-address-table show interfaces show ip interface brief show running-config
show interfaces
A technician has established a remote connection to router R1 to observe debug output. The technician enters the debug ip icmp command then pings a remote destination. However, no output is displayed. Which command would the technician have to enter to display log messages on a remote connection? monitor debug output monitor terminal terminal monitor terminal monitor debug
terminal monitor
A network technician is investigating network connectivity from a PC to a remote host with the address 10.1.1.5. Which command, when issued on a Windows PC, will display the path to the remote host? tracert 10.1.1.5 trace 10.1.1.5 traceroute 10.1.1.5 ping 10.1.1.5
tracert 10.1.1.5
What type of traffic would most likely have the highest priority through the network? SNMP voice FTP instant messaging
voice
Which statement is true about CDP on a Cisco device? -Because it runs at the data link layer, the CDP protocol can only be implemented in switches. -To disable CDP globally, the no cdp enable command in interface configuration mode must be used. -CDP can be disabled globally or on a specific interface. -The show cdp neighbor detail command will reveal the IP address of a neighbor only if there is Layer 3 connectivity.
-CDP can be disabled globally or on a specific interface.
A technician is troubleshooting a network problem. After troubleshooting, the technician concludes that a switch should be replaced. What should the technician do next? -Email all users to let them know they are replacing a switch. -Escalate the trouble ticket to the manager to approve the change. -Purchase a new switch and replace the defective one. -Resolve the problem.
-Escalate the trouble ticket to the manager to approve the change.
Which two network protocols are used to establish a remote access network connection to a device? (Choose two.) -File Transfer Protocol (FTP) -Hypertext Transfer Protocol (HTTP). -Remote Connect (RC) -Secure Shell (SSH) -Simple Mail Transfer Protocol (SMTP) -Telnet
-Secure Shell (SSH) -Telnet
Where are Cisco IOS debug output messages sent by default? console line vty lines memory buffers Syslog server
vty lines
A small company has only one router as the exit point to its ISP. Which solution could be adopted to maintain connectivity if the router itself, or its connection to the ISP, fails? -Purchase a second least-cost link from another ISP to connect to this router. -Add more interfaces to the router that is connected to the internal network. -Have a second router that is connected to another ISP. -Activate another router interface that is connected to the ISP, so the traffic can flow through it.
-Have a second router that is connected to another ISP.
A technician is troubleshooting a network problem and has just established a theory of probable causes. What would be the next step in the troubleshooting process? -Document findings, actions, and outcomes. -Establish a plan of action and implement the solution. -Identify the problem. -Test the theory to determine cause. -Verify solution and implement preventive measures.
-Test the theory to determine cause.
Which statement correctly relates to a small network? -Small networks are complex. -Small networks require an IT department to maintain. -The majority of businesses are small.
-The majority of businesses are small.
What are two forms of software programs or processes that provide access to the network? (Choose two.) -antivirus software -application layer services -gaming software -network applications -productivity software -virtual machine software
-application layer services -network applications
When should an administrator establish a network baseline? -at the lowest point of traffic in the network -at regular intervals over a period of time -when there is a sudden drop in traffic -when the traffic is at peak in the network
-at regular intervals over a period of time
Which elements are required to scale to a larger network? (Choose two.) -budget -device configurations -increased bandwidth -network documentation -windows hosts
-budget -network documentation
A newly hired network technician is given the task of ordering new hardware for a small business with a large growth forecast. Which primary factor should the technician be concerned with when choosing the new devices? -devices that have support for network monitoring -devices with a fixed number and type of interfaces -redundant devices -devices with support for modularity
-devices with support for modularity
What is required to maintain a high degree of reliability and eliminate single points of failure? -accessibility -expandability -integrity -redundancy
-redundancy
Which two traffic types require delay sensitive delivery? (Choose two.) -web -voice -email -FTP -video
-voice -video
What is required to classify traffic according to priority? -IP addressing scheme -quality of service (QoS) -routing -switching
-quality of service (QoS)
