Quiz
chapter 11
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Perguntas do quiz (40)
1A 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?
- Adevices with a fixed number and type of interfaces
- Bdevices that have support for network monitoring
- Credundant devices
- Ddevices with support for modularity
2Which network design consideration would be more important to a large corporation than to a small business?
- AInternet router
- Bfirewall
- Clow port density switch
- Dredundancy
3Which two traffic types require delay sensitive delivery? (Choose two.)
- Aemail
- Bweb
- CFTP
- Dvoice
- Evideo
4A network administrator for a small company is contemplating how to scale the network over the next three years to accommodate projected growth. Which three types of information should be used to plan for network growth? (Choose three.)
- Ahuman resource policies and procedures for all employees in the company
- Bdocumentation of the current physical and logical topologies
- Canalysis of the network traffic based on protocols, applications, and services used on the network
- Dhistory and mission statement of the company
- Einventory of the devices that are currently used on the network
- Flisting of the current employees and their role in the company
5Which two statements describe how to assess traffic flow patterns and network traffic types using a protocol analyzer? (Choose two.)
- ACapture traffic on the weekends when most employees are off work.
- BOnly capture traffic in the areas of the network that receive most of the traffic such as the data center.
- CCapture traffic during peak utilization times to get a good representation of the different traffic types.
- DPerform the capture on different network segments.
- EOnly capture WAN traffic because traffic to the web is responsible for the largest amount of traffic on a network.
6Some routers and switches in a wiring closet malfunctioned after an air conditioning unit failed. What type of threat does this situation describe?
- Aconfiguration
- Benvironmental
- Celectrical
- Dmaintenance
7Which type of network threat is intended to prevent authorized users from accessing resources?
- ADoS attacks
- Baccess attacks
- Creconnaissance attacks
- Dtrust exploitation
8Which two actions can be taken to prevent a successful network attack on an email server account? (Choose two.)
- ANever send the password through the network in a clear text.
- BNever use passwords that need the Shift key.
- CUse servers from different vendors.
- DDistribute servers throughout the building, placing them close to the stakeholders.
- ELimit the number of unsuccessful attempts to log in to the server.
9Which firewall feature is used to ensure that packets coming into a network are legitimate responses initiated from internal hosts?
- Aapplication filtering
- Bstateful packet inspection
- CURL filtering
- Dpacket filtering
10What is the purpose of the network security authentication function?
- Ato require users to prove who they are
- Bto determine which resources a user can access
- Cto keep track of the actions of a user
- Dto provide challenge and response questions
11A network administrator is issuing the login block-for 180 attempts 2 within 30 command on a router. Which threat is the network administrator trying to prevent?
- Aa user who is trying to guess a password to access the router
- Ba worm that is attempting to access another part of the network
- Can unidentified individual who is trying to access the network equipment room
- Da device that is trying to inspect the traffic on a link
12What is the purpose of using SSH to connect to a router?
- AIt allows a router to be configured using a graphical interface.
- BIt allows a secure remote connection to the router command line interface.
- CIt allows the router to be monitored through a network management application.
- DIt allows secure transfer of the IOS software image from an unsecure workstation or server.
13Which two steps are required before SSH can be enabled on a Cisco router? (Choose two.)
- AGive the router a host name and domain name
- BCreate a banner that will be displayed to users when they connect.
- CGenerate a set of secret keys to be used for encryption and decryption.
- DSet up an authentication server to handle incoming connection requests.
- EEnable SSH on the physical interfaces where the incoming connection requests will be received.
14What is the purpose of issuing the commands cd nvram: then dir at the privilege exec mode of a router?
- Ato clear the content of the NVRAM
- Bto direct all new files to the NVRAM
- Cto list the content of the NVRAM
- Dto copy the directories from the NVRAM
15Which command will backup the configuration that is stored in NVRAM to a TFTP server?
- Acopy running-config tftp
- Bcopy tftp running-config
- Ccopy startup-config tftp
- Dcopy tftp startup-config
16Refer to the exhibit. Baseline documentation for a small company had ping round trip time statistics of 36/97/132 between hosts H1 and H3. Today the network administrator checked connectivity by pinging between hosts H1 and H3 that resulted in a round trip time of 1458/2390/6066. What does this indicate to the network administrator?
- AConnectivity between H1 and H3 is fine.
- BH3 is not connected properly to the network.
- CSomething is causing interference between H1 and R1.
- DPerformance between the networks is within expected parameters.
- ESomething is causing a time delay between the networks.
17When should an administrator establish a network baseline?
- Awhen the traffic is at peak in the network
- Bwhen there is a sudden drop in traffic
- Cat the lowest point of traffic in the network
- Dat regular intervals over a period of time
18Refer to the exhibit. An administrator is trying to troubleshoot connectivity between PC1 and PC2 and uses the tracert command from PC1 to do it. Based on the displayed output, where should the administrator begin troubleshooting?
- APC2
- BR1
- CSW2
- DR2
- ESW1
19Which statement is true about CDP on a Cisco device?
- AThe show cdp neighbor detail command will reveal the IP address of a neighbor only if there is Layer 3 connectivity.
- BTo disable CDP globally, the no cdp enable command in interface configuration mode must be used.
- CCDP can be disabled globally or on a specific interface.
- DBecause it runs at the data link layer, the CDP protocol can only be implemented in switches.
20A network administrator for a small campus network has issued the show ip interface brief command on a switch. What is the administrator verifying with this command?
- Athe status of the switch interfaces and the address configured on interface vlan 1
- Bthat a specific host on another network can be reached
- Cthe path that is used to reach a specific host on another network
- Dthe default gateway that is used by the switch
21A network technician issues the arp -d * command on a PC after the router that is connected to the LAN is reconfigured. What is the result after this command is issued?
- AThe ARP cache is cleared.
- BThe current content of the ARP cache is displayed.
- CThe detailed information of the ARP cache is displayed.
- DThe ARP cache is synchronized with the router interface.
22Fill in the blank.
[blank_start]VoIP[blank_end] defines the protocols and technologies that implement the transmission of voice data over an IP network- AVoIP
23Fill in the blank. Do not use abbreviations.
The show [blank_start]file systems[blank_end] command provides information about the amount of free nvram and flash memory with the permissions for reading or writing data.- Afile systems
24Fill in the blank. Do not use abbreviations.
The [blank_start]show version[blank_end] command that is issued on a router is used to verify the value of the software configuration register.- Ashow version
2525. Which protocol supports rapid delivery of streaming media?
- ASNMP
- BTCP
- CPoE
- DRTP
2626. How should traffic flow be captured in order to best understand traffic patterns in a network?
- Aduring low utilization times
- Bduring peak utilization times
- Cwhen it is on the main network segment only
- Dwhen it is from a subset of users
27 A network administrator checks the security log and notices there was unauthorized access to an internal file server over the weekend. Upon further investigation of the file system log, the administrator notices several important documents were copied to a host located outside of the company. What kind of threat is represented in this scenario?
- Adata loss
- Bidentity theft
- Cinformation theft
- Ddisruption of service
2828. Which two actions can be taken to prevent a successful attack on an email server account? (Choose two.)
- ANever send the password through the network in a clear text.
- BNever use passwords that need the Shift key.
- CNever allow physical access to the server console.
- DOnly permit authorized access to the server room.
- ELimit the number of unsuccessful attempts to log in to the server.
2929. Which type of network attack involves the disabling or corruption of networks, systems, or services?
- Areconnaissance attacks
- Baccess attacks
- Cdenial of service attacks
- Dmalicious code attacks
30 A network administrator has determined that various computers on the network are infected with a worm. Which sequence of steps should be followed to mitigate the worm attack?
- Ainoculation, containment, quarantine, and treatment
- Bcontainment, quarantine, treatment, and inoculation
- Ctreatment, quarantine, inoculation, and containment
- Dcontainment, inoculation, quarantine, and treatment
3131. What is a security feature of using NAT on a network?
- Aallows external IP addresses to be concealed from internal users
- Ballows internal IP addresses to be concealed from external users
- Cdenies all packets that originate from private IP addresses
- Ddenies all internal hosts from communicating outside their own network
32A ping fails when performed from router R1 to directly connected router R2. The network administrator then proceeds to issue the show cdp neighbors command. Why would the network administrator issue this command if the ping failed between the two routers?
- AThe network administrator suspects a virus because the ping command did not work.
- BThe network administrator wants to verify Layer 2 connectivity.
- CThe network administrator wants to verify the IP address configured on router R2.
- DThe network administrator wants to determine if connectivity can be established from a non-directly connected network.
33If a configuration file is saved to a USB flash drive attached to a router, what must be done by the network administrator before the file can be used on the router?
- AConvert the file system from FAT32 to FAT16.
- BEdit the configuration file with a text editor.
- CChange the permission on the file from ro to rw.
- DUse the dir command from the router to remove the Windows automatic alphabetization of the files on the flash drive.
3434. Which two statements about a service set identifier (SSID) are true? (Choose two.)
- Atells a wireless device to which WLAN it belongs
- Bconsists of a 32-character string and is not case sensitive
- Cresponsible for determining the signal strength
- Dall wireless devices on the same WLAN must have the same SSID
- Eused to encrypt data sent across the wireless network
35What do WLANs that conform to IEEE 802.11 standards allow wireless users to do?
- Ause wireless mice and keyboards
- Bcreate a one-to-many local network using infrared technology
- Cuse cell phones to access remote services over very large areas
- Dconnect wireless hosts to hosts or services on a wired Ethernet network
3636. Which WLAN security protocol generates a new dynamic key each time a client establishes a connection with the AP?
- AEAP
- BPSK
- CWEP
- DWPA
3737. Which two statements characterize wireless network security? (Choose two.)
- AWireless networks offer the same security features as wired networks.
- BSome RF channels provide automatic encryption of wireless data.
- CWith SSID broadcast disabled, an attacker must know the SSID to connect.
- DUsing the default IP address on an access point makes hacking easier.
- EAn attacker needs physical access to at least one network device to launch an attack.
3838. Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
How long will a user be blocked if the user exceeds the maximum allowed number of unsuccessful login attempts?- A1 min
- B2 min
- C3 min
- D4 min
39A network technician issues the C:\> tracert -6 www.cisco.com command on a Windows PC. What is the purpose of the -6 command option?
- AIt forces the trace to use IPv6.
- BIt limits the trace to only 6 hops.
- CIt sets a 6 milliseconds timeout for each replay.
- DIt sends 6 probes within each TTL time period.
40 Which command should be used on a Cisco router or switch to allow log messages to be displayed on remotely connected sessions using Telnet or SSH?
- Adebug all
- Blogging synchronous
- Cshow running-config
- Dterminal monitor
Informações
- Descrição
- Quiz sobre chapter 11, criado por Daniel Wygoda em 07-04-2017.
- Autor
- Daniel Wygoda
- Idioma
- English
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