Cisco CCNA 200-301 Practice Test

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Question 1 / 55 - Mode : Exam
At which layer of the OSI model is RSTP used to prevent loops? A. physical B. data link C. network D. transport https://www.learncisco.net/courses/icnd-2/vlans-and-spanning-tree/redundant-topologies.html In what security zone are the public web servers located? A. DMZ B. Inside C. Outside D. Campus In a reflection attack, the source IP address in the attack packets is spoofed so that it contains which one of the following entities? A. The address of the attacker B. The address of the reflector C. The address of the victim D. The address of the router Host A and Host B sit in two different subnets. The path between the subnets of these two hosts runs through three different Layer 3 forwarding devices (routers and Layer 3 switches). A network engineer uses the APIC-EM Path Trace ACL Analysis tool to analyze the path used for Host A to send packets to Host B. Which part of the function is done specifically by the ACL Analysis or ACL Trace part of the tool? A. Discovery of the topology that exists between the two hosts B. Analysis of the Layer 3 forwarding decisions in the path from Host A to B C. Analysis of the Layer 2 forwarding decisions in the path from Host A to B D. Analysis of the impact of ACLs on the packets that would flow from Host A to B What command should you configure globally to enable a 15-minute recovery time for the port security errdisable state? A. errdisable recovery interval 15 B. errdisable recovery timer 15 C. errdisable recovery timer 900 D. errdisable recovery interval 900 Three switches are connected to one another via trunk ports. Assuming the default switch configuration, which switch is elected as the root bridge for the spanning-tree instance of VLAN 1? A. the switch with the highest MAC address B. the switch with the lowest MAC address C. the switch with the highest IP address D. the switch with the lowest IP address https://www.learncisco.net/courses/icnd-2/vlans-and-spanning-tree/spanning-tree-operations.html What information is contained within a “hello“ packet? (Choose three) A. Path vector B. Area ID C. Router ID D. Distance metric E. Topology map F. Hello interval https://www.learncisco.net/courses/icnd-2/an-overview-of-ospf/ospf-neighbor-adjacencies.html Imagine you configured OSPFv2 in a small lab network. Which of the following answers list a condition that could keep the routers in your lab from learning all the routes to all the IPv4 routes in your small lab network? (Choose two) A. An ACL could be blocking router advertisements. B. Two neighboring routers that connect to the same link have been configured with the same OSPF area and with the same IPv4 subnet mask. C. Any physical layer problem that would prevent two neighboring routers from being able to ping each others IPv4 addresses in the subnet that exists between the two routers. D. Two neighboring routers that connect to the same link have been configured with the same OSPF process ID on the router ospf command. Which of the following components of a network is responsible for interconnecting networks and choosing the best path between networks? A. Endpoints B. Routers C. Interconnections D. Switches https://www.learncisco.net/courses/icnd-1/building-a-network/the-functions-of-networking.html Some IOS commands store passwords as clear text, but you can then encrypt the passwords with the service password-encryption global command. By comparison, other commands store a computed hash of the password, rather than storing the password. Comparing the two options, which one answer is the most accurate about why one method is better than the other? A. Using hashes is preferred because encrypted IOS passwords can be easily decrypted. B. Using hashes is preferred because of the large CPU effort required for encryption. C. Using encryption is preferred because it provides stronger password protection. D. Using encryption is preferred because of the large CPU effort required for hashes. What are the considerations when determining the best administrative distance of route sources? (Choose two) A. Routers choose the routing source with the lowest administrative distance B. Multiple routing protocols and static routes cannot be used at the same time C. Multiple routing protocols and static routes can be used at the same time D. Routers choose the routing source with the highest administrative distance Routing tables can be populated in a number of different ways. Which of the following describes the local host routes route type. A. Router attached to this network B. The router interface has a local IP address C. A system administrator manually enters static routes directly into the configuration D. Learned by exchanging routing information E. Used when no explicit route to a destination is found https://www.learncisco.net/courses/icnd-2/troubleshooting-basic-connectivity/identification-of-the-path.html Refer to the exhibit. Which three statements correctly describe Network Device A? (Choose three) A. With a network wide mask of 255.255.255.128, each interface does not require an IP address. B. With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet. C. With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other. D. With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other. E. With a network wide mask of 255.255.254.0, each interface does not require an IP address. How many IPv4 ACLs can you apply to a router interface? A. Four, two inbound and two outbound B. Two, one inbound and one outbound C. As many as you need, inbound or outbound D. Only one, inbound or outbound You have an address of 172.16.142.10/21. What are the network ID, directed broadcast, first host, and the last host? A. The network ID is 172.16.140.0, the directed broadcast is 172.16.148.255, the first host is 172.16.140.1, and the last host is 172.16.148.254 B. The network ID is 172.16.96.0, the directed broadcast is 172.16.168.255, the first host is 172.16.96.1, and the last host is 172.16.168.254 C. The network ID is 172.16.128.0, the directed broadcast is 172.16.163.255, the first host is 172.16.128.1, and the last host is 172.16.163.254 D. The network ID is 172.16.136.0, the directed broadcast is 172.16.143.255, the first host is 172.16.136.1, and the last host is 172.16.143.254 https://www.learncisco.net/courses/icnd-1/lan-connections/network-addressing-scheme.html Which command would you use to specify a VLAN's ID on a switch? A. vlan 20 B. configure vlan 20 C. name 20 D. vlan sales What is the name of the Cisco feature that allows for the identification of protocols that are traditionally hard to classify because of their operation? A. DSCP B. NBAR C. DTerm D. CBWFQ Which options are available for obtaining a license file? (Choose two) A. Cisco Registration Manager B. Cisco License Manager C. Cisco Portal D. Cisco PAK E. Cisco License Registration Portal F. Cisco Manager Suppose two APs are located near each other. Which channel use strategy will result in nonoverlapping channels for Wi-Fi use? (Choose two) A. Use 2.4-GHz channel 1 on AP-A and channel 2 on AP-B. B. Use 2.4-GHz channel 1 on AP-A and 5-GHz channel 48 on AP-B. C. Use 5-GHz channel 36 on AP-A and channel 40 on AP-B. D. Use 5-GHz channel 36 on AP-A and channel 37 on AP-B. R1, R2, R3, and R4 have their Fast Ethernet 0/0 interfaces attached to the same VLAN. A network engineer has typed a configuration for each router by using a word processor. He will later copy and paste the configuration into the routers. Examine the following exhibit, which lists configuration for the four routers, as typed by the network engineer. Assuming that all four routers can ping each other’s LAN IP addresses after the configuration has been applied, choose the routers that will be able to form a neighbor relationship with the other routers on the LAN. (You can assume that, if not shown in the exhibit, all other related parameters are still set to their defaults.) (Choose two) A. R1 B. R2 C. R3 D. R4 E. None of the routers will exchange routing information. When a subnet mask is presented in binary, what do the binary 1s represent? A. The network portion of an associated address B. The host portion of the subnet mask C. The number of wildcard bits in the subnet mask D. The number of wildcard bits in the address E. The network portion of the subnet mask F. The host portion of an associated address Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An 802.1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but on CAT2 the native VLAN is not specified. What will happen in this scenario? A. 802.1Q giants frames could saturate the link. B. VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames. C. A native VLAN mismatch error message will appear. D. VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames. https://www.learncisco.net/courses/icnd-2/vlans-and-spanning-tree/trunk-operations.html In Software-Defined Access (SDA), which of the answers are part of the overlay data plane? A. LISP B. GRE C. OSPF D. VXLAN The Wi-Fi Alliance offers which of the following certifications for wireless devices that correctly implement security standards? A. WEP B. WPA2 C. 802.11 D. AES Wired Ethernet and Wi-Fi are based on which two IEEE standards, respectively? A. 802.1, 802.3 B. 802.1, 802.3 C. 802.3, 802.11 D. 802.11, 802.3 What is the purpose of subnetting? A. To translate an IPv4 address into an IPv6 address B. To take multiple networks and combine them into a single larger network C. To take a Class A network and turn it into a Class B or Class C network D. To translate a public IPv4 address into a private IPv4 address E. To take a single network and divide it into multiple smaller networks Which translation option would most likely be used in your home to connect all your devices to the Internet over your DSL, Cable, or Fibre connection? A. Dynamic NAT with overloading B. Dynamic NAT C. PAT D. Static NAT Think about a policing function that is currently working, and also think about a shaping function that is also currently working. That is, the current bit rate of traffic exceeds the respective policing and shaping rates. Which statements are true about these features? (Choose two) A. The policer may or may not be discarding packets. B. The policer is definitely discarding packets. C. The shaper may or may not be queuing packets to slow down the sending rate. D. The shaper is definitely queuing packets to slow down the sending rate. Refer to the diagram. What is the name of the device referenced with the arrow, assuming the traffic coming from the wireless clients followed the dashed path? A. Autonomous AP B. Wireless controller C. Lightweight AP D. Wireless router Of the figures shown, which depicts an accurate Clos Architecture? A. Topology A B. Topology B C. Topology C D. Topology D Which of the following commands displays the OSPFv3 neighbors, the neighbor router ID, and the interface it is available through? A. show ipv6 ospf neighbor B. show ipv6 ospf C. show ipv6 route ospf D. show ipv6 ospf interface https://www.learncisco.net/courses/icnd-2/implementing-a-multiarea-ospf-solution/ospfv3-configuration.html An enterprise plans to start using a public cloud service, and is considering different WAN options. The answers list four options under consideration. Which one option has the most issues if the company chooses one cloud provider but then later wants to change to use a different cloud provider instead? A. Using private WAN connections directly to the cloud provider B. Using an Internet connection without VPN C. Using an intercloud exchange D. Using an Internet connection with VPN Which statements correctly identify the abilities of the user and privileged EXEC modes? (Choose two) A. To return to the user EXEC mode from the privileged EXEC mode, you enter the disable command B. The user EXEC mode enables configuration and debugging commands C. By default, authentication is required to access the user EXEC mode from the console D. The privileged EXEC mode is a prerequisite for other configuration modes https://www.learncisco.net/courses/ccna/part-4-cisco-ios/command-line-interface.html Which command is used to set an inactivity timer for the vty lines on your Cisco IOS switch? A. transport input telnet B. service password-encryption C. no login D. enable secret E. privileged F. no exec G. exec-timeout What is the name of the protocol that has been developed by the ONF that is used to communicate between an SDN controller and the network devices it controls? A. OpFlex B. OpenSDN C. SbControl D. OpenFlow What is the name of the Cisco product that offers a number of rack-mountable server configurations intended to be used in data centers? A. ASA B. KVM C. CRC D. UCS Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true? (Choose two) A. Router C will use ICMP to inform Host 1 that Host 2 cannot be reached. B. Router C will use ICMP to inform Router B that Host 2 cannot be reached. C. Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached. D. Router C will send a Destination Unreachable message type. E. Router C will send a Router Selection message type. F. Router C will send a Source Quench message type. What OSPF features have been updated for IPv6? (Choose two) A. It uses a 64-bit number instead of an Internet Protocol version 4, or IPv4 address for the router ID B. Enabled per-link, not per-network C. Adjacencies and next-hop attributes use the router ID as global addresses D. IPv6 is used for transport of the link-state advertisement, or LSA https://www.learncisco.net/courses/icnd-1/introducing-ipv6/configuring-ospfv3.html Which of the following four TCP/IP layers determines the best path through the network? A. Network Access B. Transport C. Internet D. Application https://www.learncisco.net/courses/icnd-1/building-a-network/host-to-host-communications.html Refer to the graphic. Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server? A. the MAC address of router interface e0 B. the MAC address of router interface e1 C. the MAC address of the server network interface D. the MAC address of host A From the following options, what are the required REST API attributes? (Choose two) A. JSON-formatted data B. Unlayered systems C. Layered systems D. Client-server architecture A Cisco Catalyst switch connects to what should be individual user PCs. Each port has the same port security configuration, configured as follows: interface range gigabitethernet 0/1 - 24 switchport mode access switchport port-security switchport port-security mac-address sticky Which of the following answers describe the result of the port security configuration created with these commands? (Choose two) A. Prevents unknown devices with unknown MAC addresses from sending data through the switch ports. B. If a user connects a switch to the cable, prevents multiple devices from sending data through the port. C. Will allow any one device to connect to each port, and will save that device’s MAC address into the startup-config D. Will allow any one device to connect to each port, but will not save that device’s MAC address into the startup-config Network device addresses use binary system to define their location on the network. How do the decimal and binary number systems work? (Choose three) A. Mathematics is based on the binary system B. Computers are based on the decimal system C. When performing powers of 2 calculations, the least significant bit is equal to 2^1 D. In the decimal system, the digits are 0,1, 2, 3, 4, 5, 6, 7, 8, and 9 E. Powers of 2 provide the basis for binary values F. The binary system uses only the digits 0 and 1 Refer to the exhibit. All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem? A. The access link needs to be configured in multiple VLANs. B. The link between the switches is configured in the wrong VLAN. C. The link between the switches needs to be configured as a trunk. D. VTP is not configured to carry VLAN information between the switches. E. Switch IP addresses must be configured in order for traffic to be forwarded between the switches. Review the topology. All subnets exist in OSPF area 0. Which command, if issued on R3, would show all the LSAs known by R3? A. Show running-config B. Show ip ospf interface C. Show ip ospf neighbors D. Show ip route ospf E. Show ip ospf database How does creating an access list differ in IPv6 from IPv4? (Choose two) A. Prefix length can be used B. It is automatically applied to an interface C. Operator ports can be used D. Wildcard masks are not used If both the cost and upstream BID are tied, which BPDU value is used to break this tie? A. Upstream Port ID B. Priority C. Status D. MAC address What is the administrative distance of RIPv2? A. 110 C. 90 D. 100 E. 1 F. 120 G. 5 Which of the following commands displays the process ID, router ID, reference bandwidth, and areas that are configured? A. show ipv6 ospf neighbor B. show ipv6 ospf C. show ipv6 route ospf D. show ipv6 ospf interface https://www.learncisco.net/courses/icnd-2/implementing-a-multiarea-ospf-solution/ospfv3-configuration.html Refer to the exhibit. The network administrator normally establishes a Telnet session with the switch from host A. However, host A is unavailable. The administrator's attempt to telnet to the switch from host B fails, but pings to the other two hosts are successful. What is the issue? A. Host B and the switch need to be in the same subnet. B. The switch interface connected to the router is down. C. Host B needs to be assigned an IP address in VLAN 1. D. The switch needs an appropriate default gateway assigned. E. The switch interfaces need the appropriate IP addresses assigned. A queuing system has three queues serviced with round robin scheduling and one low latency queue that holds all voice traffic. Round robin queue 1 holds predominantly UDP traffic, while round robin queues 2 and 3 hold predominantly TCP traffic. The packets in each queue happen to have a variety of DSCP markings per the QoS design. In which queues would it make sense to use a congestion avoidance (drop management) tool? (Choose two) A. The LLQ B. Queue 1 C. Queue 2 D. Queue 3 Which of the following QoS marking fields could remain with a packet while being sent through four different routers, over different LAN and WAN links? (Choose two) A. CoS B. IPP C. DSCP D. MPLS EXP Given the output from a working OSPF router, as seen in the exhibit, how many neighboring routers exist? B. 1 C. 2 D. 3 E. More than 3 Which of the following best describes a virtual network function in a public cloud service? A. A subset of a physical networking device, configured by the cloud provider and allocated for use by that customer only B. A networking function implemented by the cloud provider for the customer, but with no direct customer access to the server that provides the service C. A networking function implemented by the cloud provider for the customer as a VM that is directly accessible and configurable by the customer D. Any networking feature implemented on a VM in a cloud service What information is returned from the “show spanning-tree vlan vlan_id“ command? (Choose three) A. Interface, role, and cost information B. Root ID information C. Number of switches on the network D. Bridge ID information E. Routing protocol

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Cisco CCNA 200-301 Practice Test

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