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Data Communications and Networking 2

Showing 301-361 of 361 answers

Which of the following is the command to configure the switch default gateway with IP address of 172.10.90.1?
  • ipdefault gateway 17210901
  • ipset gateway 17210901 -default
  • ipconfig default-gateway 17210901
  • ip default-gateway 17210901 Correct
Which of the following is the command to specify a VLAN name? Name of VLAN is employee.
  • name employee Correct
Which of the following statement is INCORRECT?
  • A switch populates the MAC address table based on destination MAC addresses. Correct
Which of the following would be a good starting point for troubleshooting if your router is not translating?
  • Check your interfaces for the correct configuration Correct
  • Call Cisco
  • Run the debug all command
  • Reboot
Which of the following would be good reasons to run NAT?
  • 1, 2 and 4 Correct
Which of the following would be good reasons to run NAT?You need to connect to the Internet and your hosts don't have globally unique IP addresses.You change to a new ISP that requires you to renumber your network.You don't want any hosts connecting to the Internet.You require two intranets with duplicate addresses to merge. 
  • 2 and 4
  • 1, 2 and 4 Correct
  • 3 only
  • All of the choices
Which of the statements describe characteristic of load balancing?
  • Unequal cost load balancing is supported by OSPF
  • Load balancing occurs when a router sends the same packet to different destination networks
  • If multiple paths with different metrics to a destinations exist, the router cannot support load balancing
  • Load balancing allows a router to forward packets over multiple paths to the same destination network Correct
Which operation feature is different between EIGRP and RIP?
  • EIGRP stores all routes learned from neighbors in a topology table. Correct
Which parameter can be tuned to affect the selection of a static route as a backup when a dynamic protocol is also being used?
  • link cost
  • administrative distance Correct
  • link bandwidth
  • hop count
  • link delay
Which parameter or parameters are used to calculate OSPF cost in Cisco routers?
  • Bandwidth Correct
  • Bandwidth and MTU
  • Bandwidth, MTU, Reliability, Delay and Load
  • Bandwidth, Delay and MTU
Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?
  • Administrative distance Correct
  • Link delay
  • Link bandwidth
  • Hop count
Which protocolis used to configure trunking on a switch?
  • 80211a
  • vlan
  • 8021q Correct
  • 80211n
Which protocols are used to configure trunking on a switch?
  • 802.1q Correct
Which router command allows you to view the entire contents of all access lists?
  • Show access-lists Correct
Which routing protocol uses both bandwidth and delay to determine the best pathway to reach a remote network?
  • EIGRP Correct
Which routing protocol uses the Diffusing Update Algorithm to install routes into the routing table?
  • EIGRP Correct
Which routing protocol uses the DUAL algorithm and sends multicast messages to propagate routing updates?
  • EIGRP Correct
Which routing protocol was designed by the International Organization for Standardization (ISO)?
  • IS-IS Correct
Which scalable method must be implemented in order to provide inter-VLAN routing on a switched network with more than 1000 VLANs?
  • routing traffic internally to a Layer 3 switch device Correct
Which sentence correctly describes the SVI inter-VLAN routing method?
  • An SVI is needed for each VLAN. Correct
Which series of commands will configure router R1 for LAN-to-LAN communication with router R2? The enterprise network address is 192.1.1.0/24 and the routing protocol in use is RIP. (Choose three.)
  • A. R1(config)# interface ethernet 0 R1(config-if)# ip address 192.1.1.129 255.255.255.192 R1(config-if)# no shutdown D. R1(config)# interface serial 0 R1(config-if)# ip address 192.1.1.6 255.255.255.252 R1(config-if)# no shutdown F. R1(config)# router rip R1(config-router)# version 2 R1(config-router)# network 192.1.1.0 Correct
Which statement about access lists that are applied to an interface is true?
  • You can configure one access list, per direction, per layer 3 protocol Correct
Which statement are generally considered to be best practices in the placement of ACLs? (Choose three.)
  • Place standard ACLs close to the destination IP address of the traffic. Correct
Which statement describe a characteristicof load balancing?
  • Load balancing allows a router to forward packets over multiple paths to the same destination network. Correct
Which statement describes a characteristic of standard IPv4 ACLs?
  • They can be configured to filter traffic based on both source IP addresses and source ports
  • They can be created with a number but not with a name
  • They are configured in the interface configuration mode
  • They filter traffic based on source IP addresses only Correct
Which statement describes a difference between the operation of inbound and outbound ACLs?
  • On a network interface, more than one inbound ACL can be configured but only one outbound ACL can be configured
  • Inbound ACLs are processed before the packets are routed while outbound ACLs are processed after the routing is completed Correct
  • Inbound ACLs can be used in both routers and switches but outbound ACLs can be used only on routers
  • In contrast to outbound ALCs, inbound ACLs can be used to filter packets with multiple criteria
Which statement is correct regarding the operation of DHCP?
  • A DHCP server uses a gratuitous ARP to detect DHCP clients
  • If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict
  • If an address conflict is detected, the address is removed from the pool and will not be reused until the server is rebooted Correct
  • A DHCP client uses a gratuitous ARP to detect a DHCP server
Which statement is true regarding routing metrics?
  • Routers compare metrics to determine the best path Correct
  • All routing protocols use the same metrics
  • EIGRP uses bandwidth as its only metric
  • The larger metric generally represents the better path
Which task does the Dynamic Host Configuration Protocol perform?
  • Assign and renew IP address from the default pool Correct
  • Perform host discovery used DHCPDISCOVER message
  • Set the IP gateway to be used by the network
  • Provide an easy management of layer 3 devices
Which technology is required when switched networks are designed to include redundant links?
  • Spanning Tree Protocol (STP) Correct
Which three elements must be used when you configure a router interface for VLAN trunking?1. one physical interface for each subinterface2. one IP network or subnetwork for each subinterface3. a management domain for each subinterface4. subinterface encapsulation identifiers that match VLAN tags5. one subinterface per VLAN6. subinterface numbering that matches VLAN tags
  • 1, 5, 6
  • 1, 2, 4
  • 2, 4, 5 Correct
  • 3, 4, 6
Which three features are of OSPF routing protocol?
  • 1, 3, 2005 Correct
Which three statements about routed ports on a multilayer switch are true?1. A routed port can support VLAN subinterfaces. 2. A routed port takes an IP address assignment. 3. A routed port can be configured with routing protocols. 4. A routed port is a virtual interface on the multilayer switch. 5. A routed port is associated only with one VLAN. 6. A routed port is a physical interface on the multilayer switch.
  • 2, 3, 6 Correct
  • 3, 4, 6
  • 1, 2, 4
  • 1, 3, 5
Which three statements about VTP features are true? (Choose three.)
  • When properly configured, VTP minimizes VLAN misconfigurations and configuration inconsistencies. VTP pruning is used to increase available bandwidth in trunk links. Correct
Which three statements describe the routing protocol OSPF?
  • 1, 3, 2005 Correct
Which two channel group modes would place an interface in a negotiating state using PAgP? (Choose two.)
  • 1. desirable 2. auto Correct
Which two characteristics are shared by both standard and extended ACLs?
  • 4 & 5
  • 3 & 5 Correct
  • 1 & 4
  • 2 & 3
Which two commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?
  • 1 & 4 Correct
Which two link protocols are used to carry multiple VLANs over a single link?
  • ISL & 8021ab
  • VTP & ISL
  • IGP & VTP
  • 8021q & ISL Correct
  • 8023u& 8021c
Which two link protocols are used to carry multiple VLANs over a single link?1. VTP2. 802.1q3. IGP4. ISL5. 802.3u
  • 1 & 2
  • 1 & 5
  • 4 & 5
  • 2 & 4 Correct
Which two methods help to prevent the disruption of network services? (Choose two.)
  • 1. installing duplicate equipment to provide failover services 2. using redundant connections to provide alternate physical paths Correct
Which two network parameters are used by EIGRP as metrics to select the best path to reach a network?1. Jitter2. bandwidth3. resiliency4. hop count5. delay6. confidentiality
  • 3 & 4
  • 1 & 5
  • 2 & 5 Correct
  • 1 & 2
Which two parameters are used by EIGRP as metrics to select the best path to reach a network?
  • 3, 5
  • 2, 5 Correct
  • 2, 4
  • 1, 4
Which two parameters must match on the ports of two switches to create a PAgP EtherChannel between the switches? (Choose two.)
  • 1. speed 2. VLAN Information Correct
Which two routing protocols are classified as link-state protocols? (Choose two.)
  • 1. OSPF 2. IS-IS Correct
Which two statements about static NAT translations are true?
  • 1 & 2 Correct
Which two statements about static NAT translations are true?1. They are always present in the NAT table. 2. They allow connection to be initiated from the outside. 3. They can be configured with access lists, to allow two or more connections to be initiated from the outside. 4. They require no inside or outside interface markings because addresses are statically defined.
  • 3 & 4
  • 1 & 2 Correct
  • 2 & 5
  • 1 & 4
Which two statements are true for OSPF Hello packets? (Choose two.)
  • 1. They are used to maintain neighbor relationships. 2. They are used for dynamic neighbor discovery. Correct
Which two statements correctly describe the components of a router?1. RAM permanently stores the configuration file used during the boot sequence.2. ROM contains diagnostics executed on hardware modules.3. NVRAM stores a backup copy of the IOS used during the boot sequence.4. Flash memory does not lose its contents during a reboot.5. ROM contains the most current and most complete version of the IOS.6. Flash contains boot system commands to identify the location of the IOS
  • 1 & 5
  • 2 & 4 Correct
  • 1 & 2
  • 4 & 5
Which two statements correctly describe the concepts of administrative distance and metric? (Choose two.)1. The metric varies depending which Layer 3 protocol is being routed, such as IP.2. A router first installs routes with higher administrative distances.3. The value of the administrative distance can not be altered by the network administrator.4. Routes with the smallest metric to a destination indicate the best path.5. Administrative distance refers to the trustworthiness of a particular route.6. The metric is always determined based on hop count.
  • 2 & 4
  • 1 & 2
  • 4 & 5 Correct
  • 1 & 5
Which two statements describe a routed switch port on a multilayer switch? (Choose two)
  • The port is not associated with any VLAN The routed switch port is used when a switch has only one port per VLAN or subnet Correct
Which two statements describe a routed switch port on a multilayer switch?1. Layer 2 switching and Layer 3 routing are mutually supported. 2. The port is not associated with any VLAN. 3. The routed switch port supports VLAN subinterfaces. 4. The routed switch port is used when a switch has only one port per VLAN or subnet. 5. The routed switch port ensures that STP remains in the forwarding state.
  • 1, 5
  • 1, 3
  • 3, 5
  • 2, 4 Correct
Which two statements describe characteristics of IPv6 unicast addressing? (Choose two.)
  • Global addresses start with 2000::/3. There is only one loopback address and it is ::1. Correct
Which two statements describe the process identifier that is used in the command to configure OSPF on a router?
  • 3 & 4 Correct
Which two types of connections can be used for out-of-band configuration for a Cisco IOS network device? (Choose two.)
  • 1. console 2. AUX Correct
Which type of router would an enterprise use to allow customers to access content anytime and anyplace, regardless of whether they are at home or work?
  • network edge routers Correct
Which type of VLAN is identified by a VLAN ID between 1006 and 4094 and not contained in updates of switches participating in a VTP domain?
  • extended Correct
Which version of NAT allows many hosts inside a private network to simultaneously use a single inside global address for connecting to the Internet?
  • PAT Correct
  • Static NAT
  • Dynamic NAT
  • Port forwarding
Why is a single summary static route an advantage regarding the size of the routing table?
  • A smaller routing table eats lots of cpu and converges faster
  • A smaller routing table has lower metric than a complex routing table
  • A smaller routing table converges faster and takes less processing power from the router Correct
  • A single summary route converges slower and adjust the administrative distance to lower value
Why would a floating static route be configured with an administrative distance that is higher than the administrative distance of a dynamic routing protocol that is running on the same router?
  • To act as a gateway of last resort
  • To load-balance the traffic
  • To be the priority route in the routing table
  • To be used as a backup route Correct
Why would a floating static route be configured with an administrative distance that is highierthan the administrative distance of a dynamic routing protocol that is running on the same router?
  • To act as a gateway of last resort
  • To be the priority route in the routing table
  • To load-balance the traffic
  • To be used as a backup route Correct
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