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B.4 Cisco CCNA 200-301 Practice Exam
Which three statements about creating VLANs with Cisco switches are true? (Select three.) - answer Each VLAN runs an independent copy of the Spanning Tree Algorithm. All devices connected to the same switch port are on the same VLAN. By default, all Cisco switches run the Spanning Tree Protocol. You have two routers that should be configured for gateway redundancy. The following commands are entered for each router: A(config)#int fa 0/2 A(config-if)#ip address 172.16.1.2 A(config-if)#standby 2 priority 150 A(config-if)#standby 2 ip 172.16.0. B(config)#int fa 0/2 B(config-if)#ip address 172.16.1.3 B(config-if)#standby 2 priority 150 Which of the following is true? (Select two.) - answerRouter B will serve as active router, and Router A will serve as standby router. The virtual IP address is 172.16.0.1. Which switching network type allows data connections that can be initiated when needed and terminated when communication is complete? - answerCircuit JSON is an easy to read data format that is used by applications for storing and reading data. Which of the following describes the syntax for a JSON object? (Select two.) - answerKeys and values are separated by a colon. Keys must be strings within double quotation marks (" "). Queue schedulers are used for congestion management and define how a device will work through its queue. Match the names of the most commonly used queue schedulers on the left with the appropriate description on the right. (Each name can only be used once.) - answerWeighted Round Robin - Labels one queue as priority. Round Robin - Rotates through... Class-Based Weighted Fair Queuing - Mini bandwidth You are the network administrator for a city library. Throughout the library are several groups of computers that provide public access to the internet. Supervision of these computers has been difficult. You've had problems with patrons bringing personal
laptops into the library and disconnecting the network cables from the library computers to connect their laptops to the internet. The library computers are in groups of four. Each group of four computers is connected to a hub that is connected to the library network through an access port on a switch. You want to restrict access to the network so only the library computers are permitted connectivity to the internet. What can you do? - answerConfigure port security on the switch. Which wireless networking component is used to connect multiple APs together? - answerDS What happens to the history table and log files when the device loses power? - answerThe history table and log files are all lost. Drag the information type on the left to the appropriate layer of the TCP/IP model it is associated with on the right. - answerTransport Layer - Segments Link Layer - Frames Application Layer - Data Internet Layer - Packets Which of the following statements are true about IPv6 ACLs? (Select two.) - answerIPv ACLs do not use wildcard masks. IPv6 ACLs are similar to IPv4 extended named ACLs in functionality. Match the types of cryptanalysis with the descriptions. - answerLinear cryptanalysis - Finds the affine approximations... Differential cryptanalysis - Symmetric key algorithms Integral cryptanalysis - Useful against block ciphers Integral cryptanalysis - An extension of differential Linear cryptanalysis - Commonly used on block ciphers Differential cryptanalysis - Works on statistical differences Packet switching, packet routing, and packet interpretation are examples of network communications. On which plane do these network communications occur? - answerThe data plane How does standby preemption affect the router configured with the highest priority in the HSRP group? (Select two.) - answerIf the active router fails and then regains service, it becomes the active router again if preemption is enabled. If the active router fails and then regains service, it does not become the active router again when preemption is not enabled.
You want to create an ACL statement that allows traffic from any network. Which network address and wildcard mask value should you use? - answer0.0.0. 255.255.255. Which of the following are configuration management tools? (Select two.) - answerSaltStack Ansible You have configured a wireless access point to create a small network. For security, you have disabled SSID broadcast. From a client computer, you try to browse to find the access point. You see some other wireless networks in the area, but you cannot see your network. What should you do? - answerConfigure a profile on the wireless client. Which of the following laws regulates emails? - answerCAN-SPAM Act A fully automated network that focuses on using software to maintain the network is known as what? - answerIntent-based network Which of the following should you include in your site survey test equipment? ( Select two.) - answerA tall ladder A spectrum analyzer The default amount of time that a device will hold information about its neighbors using LLDP is 120 seconds. Which of the following command allows you to change the value?
- answerRouter(config)#lldp holdtime [number of seconds] A set of routers and links that share the same link-state database information is known as what? - answerArea Which of the following best describes a hub-and-spoke infrastructure deployment model? - answerA wireless controller is connected to all access points through wired links. The individual APs contain very little embedded intelligence and are sometimes referred to as lightweight access points (LWAPs). You want to prevent all interfaces on a router from sending or responding to OSPF Hello messages. Which command should you use? - answerpassive-interface default Which tool can be used to verify Network layer connectivity? - answerPing Which of the following gateway redundancy protocols are Cisco proprietary? (Select two.) - answerHSRP GLBP
Which of the following best describes the key difference between DoS and DDoS? - answerAttackers use numerous computers and connections. Which of the following commands disables LLDP globally on a Cisco device? - answerswitch(config)#no lldp run Your network has been assigned 168.11.0.0 as the network address. You have determined that you need 70 subnets. Which subnet mask value should you select to provide 70 subnets? - answer255.255.254. Jaden is the network engineer at a branch office. There are non-Cisco devices on the network that Jaden would like to make sure are discovered by the Cisco router. Jaden has just enabled the Link Layer Discovery Protocol (LLDP) on the router. Which of the following is true about LLDP? - answerConfigured on a per-interface basis. Which two of the following statements accurately describe half-duplex Ethernet? (Select two.) - answerIt sends both signals along the same wire. It uses collision detection and recovery. What is the backoff on an Ethernet network? - answerThe random amount of time a device waits before retransmitting after a collision. Match each default administrative distance with the correct route type. (Each item may be used once, more than once, or not at all.) - answer1 - Static routes 90 - EIGRP internal routes 110 - OSPF 120 - RIP 170 - EIGRP external routes IPSec uses which method for key exchange? - answerDiffie-Hellman Which of the following statements about the dynamic host configuration protocol (DHCP) are true? (Select two.) - answerA DHCP server assigns addresses to requesting hosts. It can deliver other configuration information in addition to IP addresses. You are reviewing the configuration of a router that uses EIGRP for its routing protocol. The output from the show ip eigrp topology all-links command is as follows: Router# show ip eigrp topology all-linksIP-EIGRP Topology Table for process 77Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,r - Reply statusP 172.16.90. 255.255.255.0, 2 successors, FD is 46251776via 172.16.80.28 (46251776/46226176), Ethernet0via 172.16.81.28 (46251776/46226176), Ethernet1via 172.16.80. (46277376/46251000), Serial0via 172.16.81.31 (46277400/46251800), Serial
You have five routers running OSPF on a single subnet. RouterB has been elected as the DR. You remove RouterB from the network for a hardware upgrade. The next day, you add the router back onto the network. What will happen when you add RouterB back onto the network? - answerRouterB will become the DR only if a new election occurs. Which of the following protocols enables Cisco devices to discover non-Cisco devices?
- answerLLDP In which of the following situations would you use port security? - answerYou want to restrict the devices that can connect through a switch port. Which component is responsible for collecting and consolidating data from network devices that are being monitored with SNMP? - answerSNMP Manager Which problem does the Spanning Tree Protocol prevent? - answerIt prevents message loops from developing when a switch or bridge is connected to the same location more than once. Drag each leased line component on the left with its corresponding description on the right. Each component may be used once, more than once, or not at all. - answerSerial cable - Connects the WIC... CSU/DSU - Controls the speed... CSU/DSU - Provides the clocking... CPE - The equipment at the customer site. CSU/DSU - Provides a Layer 1 interface... You have two routers that should be configured for gateway redundancy. The following commands are entered for each router. A(config)#int fa 0/2A(config-if)#ip address 172.16.1.2A(config-if)#standby 2 priority 150A(config-if)#standby 2 ip 172.16.1.2A(config-if)#standby 2 preemptA(config- if)#standby 5 priority 110 B(config)#int fa 0/2B(config-if)#ip address 172.16.1.1B(config-if)#standby 2 priority 110B(config-if)#standby 5 ip 172.16.2.1B(config-if)#standby 5 preemptB(config- if)#standby 5 priority 150 Which of the following is true? (Select two.) - answerRouter A will serve as the active router for HSRP group 2 and the backup router for HSRP group 5. Router B will serve as the active router for HSRP group 5 and the backup router for HSRP group 2. Which of the following describes a Type 2 LSA? - answerDescribes a network that has a DR and BDR.
Which of the following best describes the process of using prediction to gain session tokens in an Application-level hijacking attack? - answerCollect several session IDs that have been used before and then analyze them to determine a pattern. Which data format is the following snippet in? message: success timestamp: 1560789260 iss_position: latitude: '25.9990' longitude: '-132.6992' - answerYAML The administrative distance determines the trustworthiness of the route source. Assuming that two separate routes are available to the same location, the router will use the following criteria for choosing between these routes. Put the criteria in order. - answerIf a static route is available, it is selected. If a router has learned of two routes to a single network through different routing protocols, it chooses the route with the lowest administrative distance. If a router has learned of two routes through the same protocol, the router will choose the route that has the best cost as defined by the routing metric. Which is the primary role of a firewall? - answerTo protect networks and workstations by allowing or denying network traffic. The firewall does this using a configured set of rules. You need to view the type of serial cable that has been used on the s0/0/1 interface and which end of the cable is connected to the DCE or DTE. Which command should you use to do this? - answershow controllers s0/0/ You are designing a new network that will support 6,000 computers. You only have eight registered IP addresses that can be allocated to the employees for external network communication, so you decide to implement NAT and share the addresses. You want all of these computers to be able to access the internet at the same time if necessary. Which method of NAT translation should you implement? - answerOverloading Which of the following are true about Gigabit Ethernet? (Select two.) - answerCan use both copper and fiber optic Uses CSMA/CD You need to verify that time is synchronized on a router. Which commands could you use to do this? (Select two. Each response is a complete solution.) - answershow ntp associations show ntp status
Which IEEE standard describes wireless communication? - answer802. The administrator of a corporate network is receiving complaints from internal users that they cannot access the internet. The administrator displays the routing table of the local router using the show ip route command. What should the administrator do on the local router to provide internal users access to the internet? - answerConfigure a default route using ip route 0.0.0.0 0.0.0. 131.108.2.2. Match each layer of the TCP/IP model to its functions. (Each layer matches with two functions.) - answerLink - how messages are electrically transmitted Internet - forwarding packets through multiple networks. Link - describing the physical layout Transport - error checking and reliable delivery Internet - not concerned with reliable delivery Application - Integrates network functionality into OS Application - Provides the capability for services Transport - Uses ports to enable app-to-app comms What happens when an HSRP active router fails? (Select two.) - answerAdditional HSRP member routers transition from the listen state after the holdtime expires on the hello message. The HSRP standby router becomes the active router after the holdtime expires on the hello message. To show all non-Cisco devices using LLDP, which of the following commands would you execute on a Cisco router? - answerRouter#show lldp neighbors In traditional networking models, the date plane, control plane, and management plane are all contained within the firmware of networking devices. This is known as what kind of architecture? - answerDistributed Match each route type on the left with its default administrative distance on the right. - answer0 - Connected 1 - Static 20- BGP 90- EIGRP 110- OSPF 120- RIP Mary wants to send a message to Sam. She wants to digitally sign the message to prove that she sent it. Which of the following cryptographic keys would Mary use to create the digital signature? - answerMary's private key
You have a switch connected to a small network as shown. A hub connects Wrk1 and Wrk5 to the switch. The switch has the following information in its CAM table: Wrk1 sends a frame addressed to Wrk5. What will the switch do with the frame? (Select two.) - answerNot record the location of any device. Drop the frame. During which state in the OSPF communication process are link-state databases exchanged? - answer2-way What are DRs and BDRs used for when using the OSPF routing protocol? - answerReduce routing table updates in a broadcast network. The Stuxnet worm was discovered in 2010 and was used to gain sensitive information about Iran's industrial infrastructure. This worm was probably active for about five years before being discovered. During this time, the attacker had access to the target. Which type of attack was Stuxnet? - answerAPT Which of the following wireless security methods uses a common shared key configured on the wireless access point and all wireless clients? - answerWEP, WPA Personal, and WPA2 Personal An attacker may use compromised websites and emails to distribute specially designed malware to poorly secured devices. This malware provides an access point to the attacker, which he can use to control the device. Which of the following devices can the attacker use? - answerAny device that can communicate over the intranet can be hacked. Based on the address prefix for each IPv6 address on the right, identify the address type from the list on the left. (Addresses used might not represent actual addresses used in production.) - answerGlobal unicast - 2001:6789:9078::ABCE:AFFF:FE98: Unique local - FD00::8907:FF:FE76:ABC Link-local - FEA0::AB89:9FF:FE77: Multicast - FF00:98BD:6532:: Multicast - FF02::1: You have configured two routers (LondonA and LondonB) for OSPF routing. Serial0/ on LondonA is connected to Serial0/1 on LondonB. The partial configuration of each router is shown below: hostname LondonA!interface Serial0/0ip address 172.17.1. 255.255.255.252encapsulation frame-relay!interface Serial0/1ip address 172.17.1. 255.255.255.248encapsulation frame-relay!router ospf 300network 172.17.1.76 0.0.0. area 100network 172.17.1.160 0.0.0.7 area 100! --
