Quiz
Networking 3 Final Exam
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Perguntas do quiz (39)
1Which design feature will limit the size of a failure domain in an enterprise network?
- Athe purchase of enterprise equipment that is designed for large traffic volume
- Bthe installation of redundant power supplies
- Cthe use of a collapsed core design
- Dthe use of the building switch block approach
2Which two things should a network administrator modify on a router to perform password recovery? (Choose two.)
- Athe system image file
- Bthe NVRAM file system
- Cthe configuration register value
- Dthe startup configuration file
- Esystem ROM
3What type of network uses one common infrastructure to carry voice, data, and video signals?
- Aborderless
- Bconverged
- Cmanaged
- Dswitched
4What are three advantages of using private IP addresses and NAT? (Choose three.)
- Ahides private LAN addressing from outside devices that are connected to the Internet
- Breduces CPU usage on customer routers
- Ccreates multiple public IP addresses
- Dimproves the performance of the router that is connected to the Internet
- Econserves registered public IP addresses
- Fpermits LAN expansion without additional public IP addresses
5Which two scenarios are examples of remote access VPNs? (Choose two.)
- AAll users at a large branch office can access company resources through a single VPN connection.
- BA small branch office with three employees has a Cisco ASA that is used to create a VPN connection to the HQ.
- CA toy manufacturer has a permanent VPN connection to one of its parts suppliers.
- DA mobile sales agent is connecting to the company network via the Internet connection at a hotel.
- EAn employee who is working from home uses VPN client software on a laptop in order to connect to the company network.
6What are three benefits of cloud computing? (Choose three.)
- AIt utilizes end-user clients to do a substantial amount of data preprocessing and storage.
- BIt uses open-source software for distributed processing of large datasets.
- CIt streamlines the IT operations of an organization by subscribing only to needed services.
- DIt enables access to organizational data anywhere and at any time.
- EIt turns raw data into meaningful information by discovering patterns and relationships.
- FIt eliminates or reduces the need for onsite IT equipment, maintenance, and management.
7What is a characteristic of a single-area OSPF network?
- AAll routers share a common forwarding database.
- BAll routers have the same neighbor table.
- CAll routers are in the backbone area.
- DAll routers have the same routing table.
8What is a WAN?
- Aa network infrastructure that spans a limited physical area such as a city
- Ba network infrastructure that provides access to other networks over a large geographic area
- Ca network infrastructure that provides access in a small geographic area
- Da network infrastructure designed to provide data storage, retrieval, and replication
9A network administrator has been tasked with creating a disaster recovery plan. As part of this plan, the administrator is looking for a backup site for all of the data on the company servers. What service or technology would support this requirement?
- Adata center
- Bvirtualization
- Cdedicated servers
- Dsoftware defined networking
10Which type of OSPF packet is used by a router to discover neighbor routers and establish neighbor adjacency?
- Alink-state update
- Bhello
- Cdatabase description
- Dlink-state request
11Which two statements are characteristics of a virus? (Choose two.)
- AA virus has an enabling vulnerability, a propagation mechanism, and a payload.
- BA virus can be dormant and then activate at a specific time or date.
- CA virus provides the attacker with sensitive data, such as passwords.
- DA virus replicates itself by independently exploiting vulnerabilities in networks.
- EA virus typically requires end-user activation.
12Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?
- AISDN
- BDSL
- Ccable
- Ddialup
13A customer needs a metropolitan area WAN connection that provides high-speed, dedicated bandwidth between two sites. Which type of WAN connection would best fulfill this need?
- Apacket-switched network
- BEthernet WAN
- Ccircuit-switched network
- DMPLS
14A company has contracted with a network security firm to help identify the vulnerabilities of the corporate network. The firm sends a team to perform penetration tests to the company network. Why would the team use debuggers?
- Ato detect installed tools within files and directories that provide threat actors remote access and control over a computer or network
- Bto reverse engineer binary files when writing exploits and when analyzing malware
- Cto obtain specially designed operating systems preloaded with tools optimized for hacking
- Dto detect any evidence of a hack or malware in a computer or network
15Consider the following output for an ACL that has been applied to a router via the access-class in command. What can a network administrator determine from the output that is shown?
R1#
Standard IP access list 2
10 permit 192.168.10.0, wildcard bits 0.0.0.255 (2 matches)
20 deny any (1 match)- ATwo devices connected to the router have IP addresses of 192.168.10. x .
- BTwo devices were able to use SSH or Telnet to gain access to the router.
- CTraffic from one device was not allowed to come into one router port and be routed outbound a different router port.
- DTraffic from two devices was allowed to enter one router port and be routed outbound to a different router port.
16What command would be used as part of configuring NAT or PAT to clear dynamic entries before the timeout has expired?
- Aclear ip dhcp
- Bclear ip nat translation
- Cclear access-list counters
- Dclear ip pat statistics
17What are two characteristics of video traffic? (Choose two.)
- AVideo traffic consumes less network resources than voice traffic consumes.
- BVideo traffic latency should not exceed 400 ms.
- CVideo traffic is more resilient to loss than voice traffic is.
- DVideo traffic requires a minimum of 30 kbs of bandwidth.
- EVideo traffic is unpredictable and inconsistent.
18Refer to the exhibit. A technician is configuring R2 for static NAT to allow the client to access the web server. What is a possible reason that the client PC cannot access the web server?
- AThe IP NAT statement is incorrect.
- BInterface Fa0/1 should be identified as the outside NAT interface.
- CInterface S0/0/0 should be identified as the outside NAT interface.
- DThe configuration is missing a valid access control list.
19In setting up a small office network, the network administrator decides to assign private IP addresses dynamically to workstations and mobile devices. Which feature must be enabled on the company router in order for office devices to access the internet?
- AUPnP
- BMAC filtering
- CNAT
- DQoS
20A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the networking trend that is being implemented by the data center in this situation?
- Aonline collaboration
- BBYOD
- Cvirtualization
- Dmaintaining communication integrity
21Refer to the exhibit. Which address or addresses represent the inside global address?
- A192.168.0.100
- B10.1.1.2
- Cany address in the 10.1.1.0 network
- D209.165.20.25
22Which two IPsec protocols are used to provide data integrity?
- AMD5
- BDH
- CAES
- DSHA
- ERSA
23If an outside host does not have the Cisco AnyConnect client preinstalled, how would the host gain access to the client image?
- AThe Cisco AnyConnect client is installed by default on most major operating systems.
- BThe host initiates a clientless VPN connection using a compliant web browser to download the client.
- CThe host initiates a clientless connection to a TFTP server to download the client.
- DThe host initiates a clientless connection to an FTP server to download the client.
24A company is considering updating the campus WAN connection. Which two WAN options are examples of the private WAN architecture? (Choose two.)
- Aleased line
- Bcable
- Cdigital subscriber line
- DEthernet WAN
- Emunicipal Wi-Fi
25Which type of QoS marking is applied to Ethernet frames?
- AIP precedence
- BDSCP
- CToS
- DCoS
26Refer to the exhibit. Routers R1 and R2 are connected via a serial link. One router is configured as the NTP master, and the other is an NTP client. Which two pieces of information can be obtained from the partial output of the show ntp associations detail command on R2? (Choose two.)
- ABoth routers are configured to use NTPv2.
- BRouter R1 is the master, and R2 is the client
- CThe IP address of R2 is 192 168.1.2.
- DRouter R2 is the master, and R1 is the client
- EThe IP address of R1 is 192.168.1.2
27Refer to the exhibit. The network administrator that has the IP address of 10.0.70.23/25 needs to have access to the corporate FTP server (10.0.54.5/28). The FTP server is also a web server that is accessible to all internal employees on networks within the 10.x.x.x address. No other traffic should be allowed to this server. Which extended ACL would be used to filter this traffic, and how would this ACL be applied? (Choose two.)
- AR1(config)# interface s0/0/0
R1(config-if)# ip access-group 105 out
R2(config)# interface gi0/0
R2(config-if)# ip access-group 105 in - Baccess-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 20
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 21
access-list 105 permit tcp 10.0.0.0 0.255.255.255 host 10.0.54.5 eq www
access-list 105 deny ip any host 10.0.54.5
access-list 105 permit ip any any - Caccess-list 105 permit ip host 10.0.70.23 host 10.0.54.5
access-list 105 permit tcp any host 10.0.54.5 eq www
access-list 105 permit ip any any - DR1(config)# interface gi0/0
R1(config-if)# ip access-group 105 out - Eaccess-list 105 permit tcp host 10.0.54.5 any eq www
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 20
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 21
- AR1(config)# interface s0/0/0
28Refer to the exhibit. If the network administrator created a standard ACL that allows only devices that connect to the R2 G0/0 network access to the devices on the R1 G0/1 interface, how should the ACL be applied?
- Ainbound on the R2 G0/0 interface
- Boutbound on the R1 G0/1 interface
- Cinbound on the R1 G0/1 interface
- Doutbound on the R2 S0/0/1 interface
29Which is a characteristic of a Type 2 hypervisor?
- Adoes not require management console software
- Bhas direct access to server hardware resources
- Cbest suited for enterprise environments
- Dinstalls directly on hardware
30What are the two types of VPN connections? (Choose two.)
- APPPoE
- BFrame Relay
- Csite-to-site
- Dremote access
- Eleased line
31Refer to the exhibit. What three conclusions can be drawn from the displayed output? (Choose three.)
- AThe DR can be reached through the GigabitEthernet 0/0 interface.
- BThere have been 9 seconds since the last hello packet sent.
- CThis interface is using the default priority.
- DThe router ID values were not the criteria used to select the DR and the BDR.
- EThe router ID on the DR router is 3.3.3.3
- FThe BDR has three neighbors.
32Refer to the exhibit. A network administrator is configuring an ACL to limit the connection to R1 vty lines to only the IT group workstations in the network 192.168.22.0/28. The administrator verifies the successful Telnet connections from a workstation with IP 192.168.22.5 to R1 before the ACL is applied. However, after the ACL is applied to the interface Fa0/0, Telnet connections are denied. What is the cause of the connection failure?
- AThe enable secret password is not configured on R1.
- BThe IT group network is included in the deny statement.
- CThe permit ACE specifies a wrong port number.
- DThe permit ACE should specify protocol ip instead of tcp.
- EThe login command has not been entered for vty lines.
33What functionality does mGRE provide to the DMVPN technology?
- AIt allows the creation of dynamically allocated tunnels through a permanent tunnel source at the hub and dynamically allocated tunnel destinations at the spokes.
- BIt provides secure transport of private information over public networks, such as the Internet.
- CIt is a Cisco software solution for building multiple VPNs in an easy, dynamic, and scalable manner.
- DIt creates a distributed mapping database of public IP addresses for all VPN tunnel spokes.
34What is used to pre-populate the adjacency table on Cisco devices that use CEF to process packets?
- Athe FIB
- Bthe routing table
- Cthe ARP table
- Dthe DSP
35What command would be used as part of configuring NAT or PAT to display information about NAT configuration parameters and the number of addresses in the pool?
- Ashow running-config
- Bshow ip nat statistics
- Cshow ip cache
- Dshow version
36What is a purpose of establishing a network baseline?
- AIt provides a statistical average for network performance.
- BIt creates a point of reference for future network evaluations.
- CIt manages the performance of network devices.
- DIt checks the security configuration of network devices.
37Match the type of WAN device or service to the description. (Not all options are used.)
- Athis is a bonus
- B...
38Which statement describes a characteristic of standard IPv4 ACLs?
- AThey filter traffic based on source IP addresses only.
- BThey can be created with a number but not with a name.
- CThey are configured in the interface configuration mode.
- DThey can be configured to filter traffic based on both source IP addresses and source ports.
39Refer to the exhibit. R1 is configured for NAT as displayed. What is wrong with the configuration?
- ANAT-POOL2 is not bound to ACL 1.
- BInterface Fa0/0 should be identified as an outside NAT interface.
- CThe NAT pool is incorrect.
- DAccess-list 1 is misconfigured.
Informações
- Descrição
- Quiz sobre Networking 3 Final Exam, criado por Gian Carlo Victorino em 02-12-2024.
- Autor
- Gian Carlo Victorino
- Idioma
- English
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