Download CCNA3 v7 - ENSA Final Exam Answers Questions And Answers and more Exams High Pressure Vessels and Boilers in PDF only on Docsity! CCNA3 v7 - ENSA Final Exam Answers Questions And Answers What functionality does mGRE provide to the DMVPN technology? - correct answer It allows the creation of dynamically allocated tunnels through a permanent tunnel source at the hub and dynamically allocated tunnel destinations at the spokes. Which statement accurately describes a characteristic of IPsec? - correct answer IPsec is a framework of open standards that relies on existing algorithms. Which type of API would be used to allow authorized salespeople of an organization access to internal sales data from their mobile devices? - correct answer private POST - correct answer CREATE GET - correct answer Read PUT/PATCH - correct answer UPDATE DELETE - correct answer DELETE CCNA3 v7 - ENSA Final Exam Answers Questions And Answers What are two syntax rules for writing a JSON array? (Choose two.) - correct answer -Each value in the array is separated by a comma. -Values are enclosed in square brackets. Refer to the exhibit. An administrator is trying to configure PAT on R1, but PC-A is unable to access the Internet. The administrator tries to ping a server on the Internet from PC-A and collects the debugs that are shown in the exhibit. Based on this output, what is most likely the cause of the problem? - correct answer The inside global address is not on the same subnet as the ISP. Refer to the exhibit. R1 is configured for NAT as displayed. What is wrong with the configuration? - correct answer NAT-POOL2 is not bound to ACL 1. Refer to the exhibit. What is the purpose of the command marked with an arrow shown in the partial configuration output of a Cisco broadband router? - correct answer defines which addresses can be translated A network administrator is writing a standard ACL that will deny any traffic from the 172.16.0.0/16 network, but CCNA3 v7 - ENSA Final Exam Answers Questions And Answers intervals, and the area ID? (Choose two.) - correct answer -show ip ospf interface -show ip ospf neighbor What is the final operational state that will form between an OSPF DR and a DROTHER once the routers reach convergence? - correct answer full What protocol allows the manager to poll agents to access information from the agent MIB? - correct answer SNMP Which set of access control entries would allow all users on the 192.168.10.0/24 network to access a web server that is located at 172.17.80.1, but would not allow them to use Telnet? - correct answer access-list 103 permit tcp 192.168.10.0 0.0.0.255 host 172.17.80.1 eq 80access-list 103 deny tcp 192.168.10.0 0.0.0.255 any eq 23 Which two things should a network administrator modify on a router to perform password recovery? (Choose two.) - correct answer -the startup configuration file -the configuration register value CCNA3 v7 - ENSA Final Exam Answers Questions And Answers Which statement describes a VPN? - correct answer VPNs use virtual connections to create a private network through a public network. Refer to the exhibit. An administrator first configured an extended ACL as shown by the output of the show access-lists command. The administrator then edited this access-list by issuing the commands below. Router(config)# ip access-list extended 101 Router (config-ext-nacl)# no 20 Router (config-ext-nacl)# 5 permit tcp any any eq 22 Router (config-ext-nacl)# 20 deny udp any any - correct answer -Ping packets will be permitted. -SSH packets will be permitted. 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? - correct answer Narrow the scope. CCNA3 v7 - ENSA Final Exam Answers Questions And Answers What type of network uses one common infrastructure to carry voice, data, and video signals? - correct answer converged What are three advantages of using private IP addresses and NAT? (Choose three.) - correct answer -permits LAN expansion without additional public IP addresses -conserves registered public IP addresses -hides private LAN addressing from outside devices that are connected to the Internet What is a characteristic of a single-area OSPF network? - correct answer All routers are in the backbone area. Which statement describes a characteristic of standard IPv4 ACLs? - correct answer They filter traffic based on source IP addresses only Which two statements are characteristics of a virus? (Choose two.) - correct answer -A virus typically requires end-user activation. -A virus can be dormant and then activate at a specific time or date. CCNA3 v7 - ENSA Final Exam Answers Questions And Answers Refer to the exhibit. An administrator is trying to back up the current running configuration of the router to a USB drive, and enters the command copy usbflash0:/R1-config running-config on the router command line. After removing the USB drive and connecting it to a PC, the administrator discovers that the running configuration was not properly backed up to the R1-config file. What is the problem? - correct answer The command that the administrator used was incorrect. Refer 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.) - correct answer -The IP address of R1 is 192.168.1.2. -Router R1 is the master, and R2 is the client. What is a characteristic of a Trojan horse as it relates to network security? - correct answer Malware is contained in a seemingly legitimate executable program. An attacker is redirecting traffic to a false default gateway in an attempt to intercept the data traffic of a CCNA3 v7 - ENSA Final Exam Answers Questions And Answers switched network. What type of attack could achieve this? - correct answer DHCP spoofing A company is developing a security policy for secure communication. In the exchange of critical messages between a headquarters office and a branch office, a hash value should only be recalculated with a predetermined code, thus ensuring the validity of data source. Which aspect of secure communications is addressed? - correct answer origin authentication Which troubleshooting approach is more appropriate for a seasoned network administrator rather than a less- experienced network administrator? - correct answer a less-structured approach based on an educated guess Which two pieces of information should be included in a logical topology diagram of a network? (Choose two.) - correct answer -interface identifier -connection type What command would be used as part of configuring NAT or PAT to link the inside local addresses to the pool of addresses available for PAT translation? - correct CCNA3 v7 - ENSA Final Exam Answers Questions And Answers answer ip nat inside source list 14 pool POOL-STAT overload Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection? - correct answer DSL A company is considering updating the campus WAN connection. Which two WAN options are examples of the private WAN architecture? (Choose two.) - correct answer -Ethernet WAN -leased line Which type of VPN routes packets through virtual tunnel interfaces for encryption and forwarding? - correct answer IPsec virtual tunnel interface What type of traffic is described as requiring at least 384 Kbps of bandwidth? - correct answer Video An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 172.16.91.0 255.255.255.192. What wildcard mask would CCNA3 v7 - ENSA Final Exam Answers Questions And Answers What type of traffic is described as predictable and smooth? - correct answer voice In an OSPF network which two statements describe the link-state database (LSDB)? (Choose two.) - correct answer -It can be viewed by using the show ip ospf database command. -All routers within an area have an identical link-state database. A network administrator is troubleshooting an OSPF problem that involves neighbor adjacency. What should the administrator do? - correct answer Make sure that the hello and dead interval timers are the same on all routers Which group of APIs are used by an SDN controller to communicate with various applications? - correct answer northbound APIs Which is a characteristic of a Type 2 hypervisor? - correct answer does not require management console software CCNA3 v7 - ENSA Final Exam Answers Questions And Answers Refer to the exhibit. A network administrator has configured OSPFv2 on the two Cisco routers. The routers are unable to form a neighbor adjacency. What should be done to fix the problem on router R2? - correct answer Implement the command no passive-interface Serial0/1. An OSPF router has three directly connected networks; 10.0.0.0/16, 10.1.0.0/16, and 10.2.0.0/16. Which OSPF network command would advertise only the 10.1.0.0 network to neighbors? - correct answer router(config- router)# network 10.1.0.0 0.0.255.255 area 0 What are two benefits of extending access layer connectivity to users through a wireless medium? (Choose two.) - correct answer -increased flexibility -reduced costs A student, doing a summer semester of study overseas, has taken hundreds of pictures on a smartphone and wants to back them up in case of loss. What service or technology would support this requirement? - correct answer cloud services What are the two types of VPN connections? (Choose two.) - correct answer -site-to-site CCNA3 v7 - ENSA Final Exam Answers Questions And Answers -remote access Which type of VPN connects using the Transport Layer Security (TLS) feature? - correct answer SSL VPN Which two scenarios would result in a duplex mismatch? (Choose two.) - correct answer - manually setting the two connected devices to different duplex modes - connecting a device with autonegotiation to another that is manually set to full-duplex A company needs to interconnect several branch offices across a metropolitan area. The network engineer is seeking a solution that provides high-speed converged traffic, including voice, video, and data on the same network infrastructure. The company also wants easy integration to their existing LAN infrastructure in their office locations. Which technology should be recommended? - correct answer Ethernet WAN Refer 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 CCNA3 v7 - ENSA Final Exam Answers Questions And Answers access-list 210 permit tcp 172.18.20.0 0.0.0.31 172.18.20.32 0.0.0.31 eq ftp . If a packet with a source address of 172.18.20.14, a destination address of 172.18.20.40, and a protocol of 21 is received on the interface, is the packet permitted or denied? - correct answer permitted Refer to the exhibit. Router R1 is configured with static NAT. Addressing on the router and the web server are correctly configured, but there is no connectivity between the web server and users on the Internet. What is a possible reason for this lack of connectivity? - correct answer The router NAT configuration has an incorrect inside local address. Refer to the exhibit. Which address or addresses represent the inside global address? - correct answer 209.165.20.25 What are two benefits of using SNMP traps? (Choose two.) - correct answer -They reduce the load on network and agent resources. -They eliminate the need for some periodic polling requests CCNA3 v7 - ENSA Final Exam Answers Questions And Answers Refer to the exhibit. From which location did this router load the IOS? - correct answer flash memory What protocol uses smaller stratum numbers to indicate that the server is closer to the authorized time source than larger stratum numbers? - correct answer NTP Which step in the link-state routing process is described by a router flooding link-state and cost information about each directly connected link? - correct answer exchanging link-state advertisements How does virtualization help with disaster recovery within a data center? - correct answer Hardware at the recovery site does not have to be identical to production equipment.* What is a characteristic of the REST API? - correct answer most widely used API for web services In a large enterprise network, which two functions are performed by routers at the distribution layer? (Choose two.) - correct answer -connect remote networks -provide data traffic security CCNA3 v7 - ENSA Final Exam Answers Questions And Answers A group of users on the same network are all complaining about their computers running slowly. After investigating, the technician determines that these computers are part of a zombie network. Which type of malware is used to control these computers? - correct answer botnet What type of traffic is described as using either TCP or UDP depending on the need for error recovery? - correct answer Data Refer to the exhibit. Which conclusion can be drawn from this OSPF multiaccess network? - correct answer With an election of the DR, the number of adjacencies is reduced from 6 to 3. In which OSPF state is the DR/BDR election conducted? - correct answer Two-Way An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 10.27.27.0 255.255.255.0. What wildcard mask would the administrator use in the OSPF network statement? - correct answer 0.0.0.255