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Spark.E is your friendly dog AI tutor. Spark.E is a virtual assistant that helps you study your course material. Spark.E is powered by advanced machine learning algorithms that allow it to understand your course material and help you study better.

Computer Skills Questions

Explore questions in the Computer Skills category that you can ask Spark.E!

Which two statements about IPv4 DHCP operations are true? (Choose two.)A. If the DHCP clients and servers are on the same subnet, DHCP uses UDP broadcasts to communicate between the clients and servers.B. The DHCP server that receives a DHCPDISCOVER message may respond with a DHCPOFFER message on UDP port 67.C. A client can receive DHCPOFFER from multiple servers and it can accept all the offers by broadcasting the DHCPREQUEST message to all the servers.D. A DHCP relay is required if the DHCP clients and the servers are on the same subnet.E. If the client and server are on different subnets, DHCPDISCOVER and DHCPREQUEST messages are sent via UDP broadcasts, but DHCPOFFER and DHCPACK messages are unicast.F. The client broadcasts a DHCPDISCOVER message on UDP port 68 with its own MAC address to discover available DHCP servers.

Which two statements about transparent bridging operations are true? (Choose two.)A. A bridge builds its MAC address table dynamically using the spanning-tree protocol.B. A bridge operates at the data link layer.C. A bridge sends unknown unicast frames out on all ports except the incoming port.D. A bridge forwards traffic based on the destination IP address.E. All the ports on the bridge belong to the same collision domain.

S78#show monitor session 1Session 1-------------Type: Local SessionSource Ports: RX Only: Fa0/3 TX Only: FA0/4 Both: Fa0/1-2Destination Ports: Gi0/1 Encapsulation: Native Ingress: DisabledWhich statement about this show command output is true?A. The S78 switch is performing remote-SPAN.B. All traffic that ports Fa0/1, Fa0/2, Fa0/3, and Fa0/4 send and receive is monitored.C. All traffic that port Gi0/1 sends and receives is monitored.D. The sniffer (network analyzer) should be connected to the Gi0/1 port.E. The SPAN destination interface replicates the source interface encapsulation method.

Which Cisco IOS XR CLI command can you use to determine if the firmware on any of the line cards on the Cisco ASR 9000 Series Router needs to be upgraded?A. RP/0/RSP0/CPU0:PE1#show platformB. RP/0/RSP0/CPU0:PE1(admin)#show platformC. RP/0/RSP0/CPU0:PE1#show hw-module fpd location allD. RP/0/RSP0/CPU0:PE1#show versionE. RP/0/RSP0/CPU0:PE1(admin)#show versionF. RP/0/RSP0/CPU0:PE1#show install active

Which two statements about classful or classless routing protocol operations are true? (Choose two.)A. Classful routing protocols do not send subnet mask information with their routing updates.B. Variable-length subnet masks are supported when using classful routing protocols.C. Examples of classless routing protocols include RIPv1, EIGRP, OSPF, and IS-IS.D. Classful routing protocols do not support discontiguous subnets.

Which two applications require the network to have the least amount of jitter, delay, and packet loss? (Choose two.)A. FTPB. SSHC. VoIPD. emailE. Cisco TelePresenceF. web browsing

When two or more different routes exist to the same destination that have been learned from two different routing protocols, what does a router use to determine the best route?A. routing protocol metricB. administrative distanceC. hop countD. path costE. local preference

Which Cisco IOS CLI command is used to verify the speed and duplex settings on the Fa0/1 port on a Cisco switch?A. show ip interfaces fa0/1B. show interfaces fa0/1C. show interfaces fa0/1 switchportD. show ip interfaces briefE. show interfaces switchport

Refer to the exhibit:10.1.1.1/24--R1-- 192.168.1.1/24---192.168.1.2/24--R2--10.2.2.2/24R1 and R2 are running RIPv1 for the 10.0.0.0 and 192.168.1.0 networks. No default or static routes have been configured on the routers. Which two statements about this topology are true? (Choose two.)A. R1 summarizes the 10.1.1.0/24 subnet to 10.0.0.0/8 when it sends its RIPv1 routing updates to R2. R2 summarizes the 10.2.2.0/24 subnet to 10.0.0.0/8 when it sends its RIPv1 routing updates to R1.B. To support this topology, R1 and R2 must be configured so that RIPv1 auto-summary is disabled.C. R1 sends information about the 10.1.1.0/24 subnet when it sends its RIPv1 routing updates to R2. R2 sends information about the 10.2.2.0/24 subnet when it sends its RIPv1 routing updates to R1. Example of RIPv1 update from R1 to R2:RIP: build update entriesnetwork 10.1.1.0/24 metric 1D. Hosts on the 10.1.1.0/24 subnet are unable to communicate with hosts on the 10.2.2.0/24 subnet.E. R1 accepts the 10.2.2.0/24 RIPv1 routing updates from R2 and installs the 10.2.2.0/24 route in its routing table. R2 accepts the 10.1.1.0/24 RIPv1 routing updates from R1 and installs the 10.1.1.0/24 route in its routing table.

Refer to the exhibit:interface e0ip address 192.168.1.1 255.255.255.0ip nat outside!interface e1ip address 10.1.1.1 255.255.255.0ip nat inside!ip nat inside source static 10.1.1.2 129.168.1.2Which two statements about these partial Cisco IOS/IOS-XE configurations are true? (choose two).A. 10.1.1.2 is the inside local addressB. 192.168.1.2 is the outside local addressC. 192.168.1.2 is the outside global addressD. This is an example of static one-to-one Network Address TranslationE. This is an example of static Port Address Translation

Which three statements correctly describe DSL-based Internet services for residential users? (Choose three.)A. Most residential deployments use PPPoE encapsulation where the end user PC or the DSL CPE will require a PPP username and password configuration.B. Most residential deployments use PPPoA encapsulation where the DSL CPE device needs to provide Layer 3 routing functions.C. The most commonly installed DSL variant for residential deployments is ADSL.D. The most commonly installed DSL variant for residential deployments is SDSL.E. The most commonly installed DSL variant for residential deployments is HDSL.F. At the DSL service provider location, a DSLAM typically is used to terminate all the PPP connections of the DSL subscribers.G. At the DSL service provider location, a DSLAM is used to terminate and then aggregate the DSL connections over an ATM network.

Which IPv6 feature replaced and enhanced the IPv4 ARP functions?A. ARPv6B. DHCPv6C. neighbor discovery protocol in ICMPv6D. router solicitation and router advertisementE. autoconfiguration

Company 1 has merged with Company 2. Company 1 is using RIPv2 as its IGP and Company 2 is using EIGRP as its IGP. EIGRP also is running between R1 and R2 over the WAN link.Which action must be taken to allow these two configurations?• The Company 1 RIP routes appear as external EIGRP routes within Company 2.• The Company 2 EIGRP routes appear as RIPv2 routes within Company 1.A. Enable RIPv2 on the R2 router.B. Enable RIPv2 on the R2 router and on all internal routers of Company 2. Enable EIGRP on all internal routers of Company 1.C. Configure mutual route redistribution between RIPv2 and EIGRP on the R1 and R2 routers.D. Configure mutual route redistribution between RIPv2 and EIGRP on the R1 router.E. Configure mutual route redistribution between RIPv2 and EIGRP on the R2 router.

Which two statements about Packet over SONET are true? (Choose two.)A. POS is a Layer 2 technology that uses PPP in ATM encapsulation and SONET framing.B. The Layer 2 frame is encapsulated into a generic HDLC header (not Cisco proprietary HDLC) and placed into the appropriate SONET Payload Envelope.C. The FCS field can be set to 16 bits on one end and 32 bits on the other end of a POS connection without causing any connectivity issues.D. The Cisco POS interface supports Cisco HDLC and PPP encapsulation.E. POS can be used in a point-to-point or point-to-multipoint environment.

What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch?A. multiple spanning tree (mst)B. per-vlan rapid spanning tree (rapid-pvst)C. per-vlan spanning tree (pvst)D. IEEE 802.1D (stp)

Which Layer 2 WAN protocol uses DLCI as the virtual circuit identifier?A. ATMB. PPPC. Frame RelayD. Packet over SONET

Which port is used for Telnet protocol:A. 20B. 21C. 22D. 23E. 25

Refer to the exhibit:Router# show ip nat translationsPro Inside global Inside local Outside local Outside globalTCP 172.17.38.1:1050 192.168.3.7:1050 10.1.1.1:23 10.1.1.1:23TCP 172.17.38.1:1776 192.168.3.7:1776 10.1.1.1:255 10.1.1.1:25Which configuration is necessary to support this output?A. interface Ethernet0ip address 192.168.3.1 255.255.255.0ip nat outside!interface Ethernet1ip address 192.168.4.1 255.255.255.0ip nat outside!interface Serial0ip address 172.17.38.1 255.255.255.0ip nat inside!ip nat inside source list 1 interface Serial0 overload !access-list 1 permit 192.168.3.0 0.0.0.255access-list 1 permit 192.168.4.0 0.0.0.255B.interface Ethernet0ip address 192.168.3.1 255.255.255.0ip nat inside!interface Ethernet1ip address 192.168.4.1 255.255.255.0ip nat inside!interface Serial0ip address 172.17.38.1 255.255.255.0ip nat outside!ip nat inside source list 1 interface Serial0 overload!access-list 1 permit 172.17.38.0 0.0.0.255C.interface Ethernet0ip address 192.168.3.1 255.255.255.0ip nat inside!interface Ethernet1ip address 192.168.4.1 255.255.255.0ip nat inside!interface Serial0ip address 172.17.38.1 255.255.255.0ip nat outside!ip nat inside source list 1 static 172.17.38.1!access-list 1 permit 192.168.3.0 0.0.0.255access-list 1 permit 192.168.4.0 0.0.0.255D.interface Ethernet0ip address 192.168.3.1 255.255.255.0ip nat inside!interface Ethernet1ip address 192.168.4.1 255.255.255.0ip nat inside!interface Serial0ip address 172.17.38.1 255.255.255.0ip nat outside!ip nat inside source list 1 interface Serial0 overload !access-list 1 permit 192.168.3.0 0.0.0.255 access-list 1 permit 192.168.4.0 0.0.0.255

Which pair of mechanisms are often used together to allow dynamic routing over a secured site-to- site VPN tunnel?A. GRE + SSLB. VTI + SSLC. VRF + SSLD. GRE + IPsecE. L2TP + IPsecF. VRF + IPsec

Given the IP address 10.106.170.145 255.248.0.0, which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address?A. subnet = 10.104.0.0/13B. subnet = 10.106.0.0/13C. subnet = 10.112.0.0/13D. host IP address range = 10.104.0.1 to 10.111.255.254 E. host IP address range = 10.106.0.1 to 10.106.255.254 F. host IP address range = 10.106.0.1 to 10.119.255.254 G. subnet broadcast IP address = 10.106.255.255H. subnet broadcast IP address = 10.111.255.255I. subnet broadcast IP address = 10.119.255.255

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