DCICN 200-150 Practice Test

Question 1 / 55 - Mode : Exam
Which three options are Layer 2 features of Cisco NX-OS? (Choose three) A. GLBP B. FCoE C. MST D. LACP E. RIP F. PIM The OSI model breaks network communications into smaller, simpler parts. Which OSI model benefit is this a description of? A. Reduced complexity B. Simplifying teaching and learning C. Accelerating evolution D. Standardizing interfaces What are two advantages of implementing a router on a stick for VLANs on your network? (Choose two) A. The router provides high availability. B. Layer 3 services are not required on the switch. C. Multiple traffic paths prevent congestion. D. Latency is reduced as the frames leave the switch chassis. E. The router provides communications between the VLANs. You have an IP address of 192.168.1.2 and have applied the /25 bit subnet mask to the address. What are the subnet ID, broadcast address, and usable address range of this subnet? A. The subnet ID is 192.168.0.0, the broadcast is 192.168.2.32, and the usable range is 192.168.0.1 to 192.168.2.31 B. The subnet ID is 192.168.1.0, the broadcast is 192.168.1.127, and the usable range is 192.168.1.1 to 192.168.1.126 C. The subnet ID is 192.168.1.0, the broadcast is 192.168.1.255, and the usable range is 192.168.1.1 to 192.168.1.254 D. The subnet ID is 192.168.1.0, the broadcast is 192.168.1.64, and the usable range is 192.168.1.1 to 192.168.1.63 E. The subnet ID is 192.168.1.0, the broadcast is 192.168.2.255, and the usable range is 192.168.1.1 to 192.168.2.254 Which "ipconfig" command switch resets the contents of the DNS client resolver cache? A. /all B. /renew C. /flushdns D. /release E. /displaydns Which Cisco NX-OS command mode allows access to the broadest range of commands? A. Line Configuration Mode B. Routing Protocol Configuration Mode C. Global Configuration Mode D. Interface Configuration Mode What are features of Cisco PortChannel? (Choose two) A. It is limited to the aggregation of a number of links that run between the same two devices B. It combines the physical links into a single logical link C. It provides load balancing based on header hashing D. It treats links as individual links Which command displays the number of times the SPF algorithm has been executed? A. show ip ospf B. show ip ospf neighbors C. show ip route D. show ip ospf interfaces How are subnet masks calculated? (Choose two) A. Subnetting provides the benefit of allowing more hosts per subnet B. The formula used to calculate the number of subnets a given subnet mask would create is 2^s, where s equals the number of borrowed bits C. When creating a custom subnet mask, the first and last subnet cannot be used D. In order to create 21 subnets, you would need to borrow a minimum of 5 host bits What is the role of a switch in host-to-host packet delivery? (Choose two) A. When a host sends an ARP request, it is received by the remote host before reaching the switch B. When it receives a frame of a known host, it needs to forward it out to the proper port C. It changes the frame to include the MAC address D. It is responsible for adding mappings to the MAC table You want to provide signal amplification at the layer responsible for electrical, mechanical, procedural, and functional specifications. Which layer and device combination should you use? A. Bridge â€“ Layer 2 B. Switch â€“ Layer 1 C. Repeater â€“ Layer 1 D. Repeater â€“ Layer 2 What is the binary equivalent of the decimal number 1,291? A. 10100001011 B. 11010101001 C. 10110011011 D. 10110111001 Which command places a port into Layer 3 mode on a Nexus switch? A. switchport mode access B. no switchport C. switchport mode trunk D. spanning-tree port type network E. no shutdown Which layer of the OSI model is the transport layer? A. Layer 5 B. Layer 1 C. Layer 2 D. Layer 4 Which routing protocol is used by the IPv6 link-local addressing for communication? A. Rip v2 B. RIP v1 C. IEGRP D. OSPF E. OSPF v3 Which protocol does Cisco support for carrying the traffic of multiple VLANs over a single physical link? A. 802.1w B. 802.1D C. 802.1Q D. 802.1s What command would you use before committing the changes made in an ACL configuration session? A. verify B. test C. accept D. abort What is the purposing of windowing? (Choose two) A. It establishes a connection using a three-way handshake B. It allows the sending computer to send out a number of packets without receiving acknowledgment of those packets C. It involves distinguishing sessions from other sessions using port numbers D. It helps maintain the speed and reliability of the connection Which Ethernet connection type is hot-swappable and allows connecting to different connection media? A. MT-RJ B. SFPs C. GBICs D. RJ-45 You need to select a cable to be used between a Nexus 5548 switch and a Fabric Extender. Which type of cable is used for 10 Gb/s Ethernet implementations and has a maximum distance of 1 to 5 meters? A. CX4 B. Cat 6a C. Passive Twinax D. Active Twinax Which LAN component operates at Layer 2 of the OSI model and provides intelligent distribution of frames within the LAN? A. Network interface cards B. Routers C. Computers D. Ethernet switches What command should you use to display a list of all installed components? A. show module B. show version C. show interface D. show inventory What is the binary equivalent of the hexadecimal number 0x911? A. 100100010001 B. 10100010001 C. 1110001111 D. 100101010101 E. 10101010101 Which field in a MAC layer of the IEEE 802.3 Ethernet frame contains bits that signal the receiving computer that the transmission of the actual frame is about to start? A. DSAP B. FCS C. SOF D. SSAP Which three core infrastructure services of the Cisco NX-OS Software provide overall high-availability functionality? (Choose three) A. PSS B. MTS C. vPC D. OTV E. System manager What happens to ACL packets when no statements apply to the traffic? A. Implicit allow B. Explicit allow C. Implicit deny D. Explicit deny You have an address of 172.16.0.0/22, which equals a subnet mask of 255.255.252.0. Determine the block size of this subnet. A. 8 B. 16 C. 18 D. 6 E. 2 F. 4 Which key sequence would you use to delete all characters from the cursor to the beginning of the command line? A. Ctrl-K B. Ctrl-C C. Ctrl-Z D. Ctrl-U Which two devices use a MAC table to determine the segment to which the data is to be sent? (Choose two) A. Bridge B. Hub C. Repeater D. Switch E. Router Which two addresses can be used for multicast? (Choose two) A. FF05::1:3 B. 240.10.0.1 C. FE80::/10 D. 224.0.0.10 Review the network diagram below. Which icon represents a Nexus 5000 switch? A. D B. A C. B D. C Which IEEE Ethernet LAN standard provides 40 Gb/s? A. 802.3ae B. 802.3ba C. 802.3z D. 802.3x What hexadecimal number results from converting the binary number 00011011? A. 83 B. F5 C. D2 D. CA E. B3 F. 1B In which port role is data traffic not processed in and out of listening ports, but MAC addresses of inbound traffic are stored in the MAC address table of the switch? A. Designated B. Learning C. Listening D. Root What are the characteristics of the 24-bit OUI of an Ethernet MAC address? (Choose two) A. It contains two bits that matter only when used in the source address B. It contains two bits that matter only when used in the destination address C. It identifies the manufacturer of the NIC card D. It uniquely identifies the Ethernet hardware What is the decimal equivalent of the hexadecimal number 0x5D9? A. 1497 B. 959 C. 2807 D. 3213 Host A is sending data to Host B. When would a default gateway be required? A. Host A does not have an ARP entry for Host B B. Host A and B are assigned MAC addresses on different networks C. Host A and B are assigned IP addresses on different networks D. Host A and B are assigned IP addresses on the same network What happens if the restart of a graceful operations-capable protocol is required? (Choose two) A. The restarting service can remove itself from the network control plane nondisruptively B. The particular routing protocol utilizes the relevant mechanism to signal to its neighbors that a planned restart is being executed C. Neighboring devices cannot continue to forward traffic to the restarting entity D. The unit that is restarting its routing protocol continues to forward traffic using the last-established RIBs and FIBs depending on control plane operations Which two criteria does EIGRP use to make a composite metric for determining the best path to a destination? (Choose two) A. Delay B. Cost C. Hop count D. Weight E. Bandwidth You are tasked with subnetting a private address of 172.16.0.0/16 so that it provides 64 subnets while maximizing the number of host addresses in each subnet. What are the first four subnets? A. 172.16.0.0/22 172.16.4.0/22 172.16.8.0/22 172.16.12.0/22 B. 172.16.0.0/21 172.16.0.8/21 172.16.0.16/21 172.16.0.24/21 C. 172.16.1.0/23 172.16.2.0/23 172.16.3.0/23 172.16.4.0/23 D. 172.16.0.0/23 172.16.2.0/23 172.16.4.0/23 172.16.6.0/23 Which Cisco NX-OS design feature makes it possible to nondisruptively perform complete image upgrades without affecting the data forwarding plane? A. Modular software design B. Control plane and data plane functional separation C. Integrated virtualization support for Layer 2 and Layer 3 D. Cisco NX-OS ISSU Which configuration register setting returns a Cisco router back to its default factory settings? A. 0x2102 B. 0x2124 C. 0x2120 D. 0x2142 What are the characteristics of the 802.1Q frame? (Choose two) A. It assigns an identifier value that is based on the native VID of the port B. It carries the traffic of multiple VLANs over a single physical link and allows you to extend the VLANs across the entire network C. It uses an internal tagging mechanism that inserts a 4-byte tag field into the original Ethernet frame between the Source Address and the Type or Length fields D. It alters the frame, so the trunking device recomputes the frame check sequence (FCS) on the modified frame This is the result of your "show interfaces" command, Serial10/2/0 is up, line protocol is down At what layer of the OSI model can our problem be found? A. Layer -2 B. Layer -4 C. Layer -1 D. Layer -3 What are the three different methods for applying ACLs in the Cisco NX-OS? (Choose three) A. Routed ACL B. Switched ACL C. SVI ACL D. VLAN ACL E. Port ACL You are in the process of converting a binary number to determine its decimal equivalent. Convert 10101101 to decimal. A. 201 B. 185 C. 173 D. 211 What is the maximum distance supported by a Cisco FET-10G Fabric Extender Transceiver on laser-optimized OM2 multimode fiber? A. 5 m B. 25 m C. 10 m D. 100 m What are features of the Cisco NX-OS CLI? (Choose two) A. Initial default interface settings are configurable B. Out of the box, it contains sufficient information to forward traffic C. A Cisco Nexus switch prompts for initial configuration, if there is no configuration in memory D. The device is preconfigured with protocol addressing and parameter settings How do switches help eliminate network congestion? (Choose two) A. Media-rate adaptation allows bandwidth to be matched as needed B. Joining multiple segments extends a LAN to cover greater distances C. Dedicated communication between devices increases frame throughput D. Potential network problems can be isolated to specific segments Which of the following routing protocols is an Exterior Gateway Protocol? A. BGP B. RIP C. IGP D. OSPF What is required to connect multiple VLANs together? A. Layer 3 device B. Trunk C. Hub D. Repeater You are given an IP address of 172.16.3.0/23. What is the usable range of addresses within this subnet? A. 172.16.0.0 to 172.16.4.254 B. 172.16.3.1 to 172.16.4.254 C. 172.16.1.0 to 172.16.3.254 D. 172.16.2.1 to 172.16.3.254 Which information is included in the output of the "show startup-config" command but not in the "show running-config" command? A. License B. Version number C. Creation date D. Switch name Which two protocols are categorized as link-state routing protocols? (Choose two) A. EIGRP B. IS-IS C. RIP D. BGP E. OSPF Which device forms the connection points for LANs at Layer 2 of the OSI model? A. Repeater B. Switch C. Router D. Hub

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DCICN 200-150 Practice Test

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