PreLim-UGRD-IT6224 Data Communications and Networking 3.pdf - Amaoedleaks.com

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Question 1 Complete Marked out of 1.00 Flag question Question text What is the function of PoE pass-through? Select one: a. allows switches, phones, and wireless access points to receive power over existing Ethernet cables from an upstream switch b. allows a switch to disable redundant Layer 2 paths in the topology to prevent Layer 2 loops c. allows a multilayer switch to forward IP packets at a rate close to that of Layer 2 switching by bypassing the CPU d. allows multiple physical switch ports to be aggregated together and act as a single logical link to increase bandwidth on trunk links Question 2 Complete Marked out of 1.00 Flag question Question text show ip protocol co Answer Displays information about the routed protocol that is enabled, and the protocol status of interfaces. Question 3 Complete Marked out of 1.00 Flag question Question text Multilayer sw itches Answer are typically deployed in the core and distribution layers of an organization's switched network. Question 4 Complete Marked out of 1.00 Flag question Question text An administrator is troubleshooting a switch and wants to verify if it is a root bridge. What command can be used to do this? Select one: a. show spanning-tree b. show startup-config c. show running-config d. show vlan Question 5 Complete Marked out of 1.00 Flag question Question text What is the term that is used for the area of a network that is affected when a device or network service experiences problems? Select one: a. collision domain b. failure domain c. broadcast domain d. user domain Question 6 Complete Marked out of 1.00 Flag question Question text What is the purpose of VTP? Select one: a. It manages switches to ensure a loop-free environment. b. It is a Cisco proprietary protocol that manages trunk negotiation. c. It provides centralized management of VLANs in a multi-switch environment. d. It designates the management and native VLANs on multiple switches. e. It provides secure remote WAN access to the head office for teleworkers. Question 7 Complete Marked out of 1.00 Flag question Question text show port-security Answer Displays all secure MAC addresses configured on all switch interfaces. Question 8 Complete Marked out of 1.00 Flag question Question text Out-of-band device Answer is used for initial configuration or when a network connection is unavailable. Question 9 Complete Marked out of 1.00 Flag question Question text Which sentence correctly describes the SVI inter-VLAN routing method? Select one: a. A physical interface is needed for every VLAN that is created. b. The encapsulation type must be configured on the SVI. c. Subinterfaces have to be created. d. An SVI is needed for each VLAN. Question 10 Complete Marked out of 1.00 Flag question Question text An administrator is investigating a failure on a trunk link between a Cisco switch and a switch from another vendor. After a few show commands, the administrator notices that the the switches are not negotiating a trunk. What is a probable cause for this issue? Select one: a. Both switches are in nonegotiate mode. b. Both switches are in trunk mode. c. Switches from other vendors do not support DTP. d. DTP frames are flooding the entire network. Question 11 Complete Marked out of 1.00 Flag question Question text Forw arding rates Answer define the processing capabilities of a switch by rating how much data the switch can process per second. Question 12 Complete Marked out of 1.00 Flag question Question text Show ip interfaces brief Answer Displays all interfaces with IPv4 addressing information and interface and line protocols status. Question 13 Complete Marked out of 1.00 Flag question Question text Which switchport mode puts the interface into permanent nontrunking ? Select one: a. switchport mode trunk b. switchport mode access c. switchport mode dynamic auto d. switchport mode dynamic desirable Question 14 Complete Marked out of 1.00 Flag question Question text When a range of ports is being configured for EtherChannel, which mode will configure LACP on a port only if the port receives LACP packets from another device? Select one: a. passive b. active c. desirable d. auto Question 15 Complete Marked out of 1.00 Flag question Question text port density The Answer of a switch refers to the number of ports available on a single switch. Question 16 Complete Marked out of 1.00 Flag question Question text During the implementation of Spanning Tree Protocol, all switches are rebooted by the network administrator. What is the first step of the spanning-tree election process? Select one: a. All the switches send out BPDUs advertising themselves as the root bridge. b. Each switch with a lower root ID than its neighbor will not send BPDUs. c. Each switch determines what port to block to prevent a loop from occurring. d. Each switch determines the best path to forward traffic. Question 17 Complete Marked out of 1.00 Flag question Question text Which command will start the process to bundle two physical interfaces to create an EtherChannel group via LACP? Select one: a. channel-group 1 mode desirable b. channel-group 2 mode auto c. interface port-channel 2 d. interface range GigabitEthernet 0/4 - 5 Question 18 Complete Marked out of 1.00 Flag question Question text PoE Answer allows the switch to deliver power to a device over the existing Ethernet cabling. Question 19 Complete Marked out of 1.00 Flag question Question text A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP? Select one: a. HSRP uses active and standby routers. b. It uses ICMP messages in order to assign the default gateway to hosts. c. It allows load balancing between a group of redundant routers. d. HSRP is nonproprietary. Question 20 Complete Marked out of 1.00 Flag question Question text What is an accurate description of redundancy? Select one: a. designing a network to use multiple paths between switches to ensure there is no single point of failure b. designing a network to use multiple virtual devices to ensure that all traffic uses the best path through the internetwork c. configuring a switch with proper security to ensure that all traffic forwarded through an interface is filtered d. configuring a router with a complete MAC address database to ensure that all frames can be forwarded to the correct destination Question 21 Complete Marked out of 1.00 Flag question Question text A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement is a feature that is associated with GLBP? Select one: a. It uses a virtual router master. b. GLBP allows load balancing between routers. c. It works together with VRRP. d. It is nonproprietary. Question 22 Complete Marked out of 1.00 Flag question Question text What value determines the root bridge when all switches connected by trunk links have default STP configurations? Select one: a. MAC address b. bridge priority c. extended system ID d. VLAN ID Question 23 Complete Marked out of 1.00 Flag question Question text 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? Select one: a. branch routers b. network edge routers c. service provider routers d. modular routers Question 24 Complete Marked out of 1.00 Flag question Question text What is a characteristic of out-of-band device management? Select one: a. It requires at least one network interface on the device to be connected and operational. b. It requires a terminal emulation client. c. Out-of-band device management requires a direct connection to a network interface. d. It requires Telnet, SSH, or HTTP to access a Cisco device. Question 25 Complete Marked out of 1.00 Flag question Question text Which is the default STP operation mode on Cisco Catalyst switches? Select one: a. MSTP b. RSTP c. PVST+ d. Rapid PVST+ e. MST Question 26 Complete Marked out of 1.00 Flag question Question text access lay The Answer provides endpoints and users direct access to the network Question 27 Complete Marked out of 1.00 Flag question Question text How much traffic is a 48-port gigabit switch capable of switching when operating at full wire speed? Select one: a. 1 Gb/s, because data can only be forwarded from one port at a time b. 44 Gb/s, due to overhead requirements c. 24 Gb/s, because this is the maximum forwarding rate on Cisco switches d. 48 Gb/s, by providing full bandwidth to each port Question 28 Complete Marked out of 1.00 Flag question Question text Which network design solution will best extend access layer connectivity to host devices? Select one: a. implementing routing protocol b. implementing EtherChannel c. implementing wireless connectivity d. implementing redundancy Question 29 Complete Marked out of 1.00 Flag question Question text Which feature could be used in a network design to increase the bandwidth by combining multiple physical links into a single logical link? Select one: a. EtherChannel b. trunk ports c. VLANs d. subinterfaces Question 30 Complete Marked out of 1.00 Flag question Question text After the election of the root bridge has been completed, how will switches find the best paths to the root bridge? Select one: a. Each switch will analyze the port states of all neighbors and use the designated ports to forward traffic to the root. b. Each switch will analyze the sum of all port costs to reach the root and use the path with the lowest cost. c. Each switch will analyze the sum of the hops to reach the root and use the path with the fewest hops. d. Each switch will analyze the BID of all neighbors to reach the root and use the path through the lowest BID neighbors. Question 31 Complete Marked out of 1.00 Flag question Question text What is one way to correct a spanning tree failure? Select one: a. Replace the cables on failed STP links. b. Insert redundant links to replace the failed STP links. c. Replace all instances of STP with RSTP. d. Manually remove redundant links in the switched network. Question 32 Complete Marked out of 1.00 Flag question Question text In-band management Answer is used to monitor and make configuration changes to a network device over a network connection. Question 33 Complete Marked out of 1.00 Flag question Question text Which technology is required when switched networks are designed to include redundant links? Select one: a. virtual private networks b. Spanning Tree Protocol c. virtual LANs d. link aggregation Question 34 Complete Marked out of 1.00 Flag question Question text As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of? Select one: a. providing redundant devices to allow traffic to flow in the event of device failure b. grouping two devices to share a virtual IP address c. providing redundant links that dynamically block or forward traffic d. grouping multiple physical ports to increase bandwidth between two switches Question 35 Complete Marked out of 1.00 Flag question Question text Which STP port role is adopted by a switch port if there is no other port with a lower cost to the root bridge? Select one: a. root port b. alternate c. disabled port d. designated port Question 36 Complete Marked out of 1.00 Flag question Question text Which PAgP mode mode places an interface in a passive negotiating state in which the interface responds to the PAgP packets that it receives, but does not initiate PAgP negotiation? Select one: a. PAgP desirable b. On c. PAgP auto Question 37 Complete Marked out of 1.00 Flag question Question text Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic? Select one: a. SW1: auto SW2: auto trunking enabled on both switches b. SW1: auto SW2: auto PortFast enabled on both switches c. SW1: desirable SW2: desirable d. SW1: passive SW2: active e. SW1: on SW2: on Question 38 Complete Marked out of 1.00 Flag question Question text Which combination of DTP modes set on adjacent switches will cause the link to become an access link instead of a trunk link? Select one: a. dynamic auto - dynamic auto b. dynamic desirable - trunk c. dynamic desirable - dynamic desirable d. dynamic desirable - dynamic auto Question 39 Complete Marked out of 1.00 Flag question Question text Which scalable method must be implemented in order to provide inter-VLAN routing on a switched network with more than 1000 VLANs? Select one: a. configuring static routes on a Layer 2 switch device b. routing traffic internally to a Layer 3 switch device c. connecting a router interface to a switch port that is configured in trunk mode to route packets between VLANs, with each VLAN assigned to a router subinterface d. connecting each physical router interface to a different physical switch port, with each switch port assigned to a different VLAN Question 40 Complete Marked out of 1.00 Flag question Question text When PVST is running over a switched network, which port state can participate in BPDU frame forwarding based on BPDUs received, but does not forward data frames? Select one: a. listening b. forwarding c. blocking d. disabled Question 41 Complete Marked out of 1.00 Flag question Question text Which switchport mode makes the interface able to convert the link to a trunk link? Select one: a. switchport mode access b. switchport mode dynamic auto c. switchport mode dynamic desirable d. switchport mode trunk Question 42 Complete Marked out of 1.00 Flag question Question text When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets? Select one: a. active b. auto c. on d. desirable Question 43 Complete Marked out of 1.00 Flag question Question text Which switchport mode Puts the interface into permanent trunking mode and negotiates to convert the neighboring link into a trunk link? Select one: a. switchport mode dynamic desirable b. switchport mode dynamic auto c. switchport mode trunk d. switchport mode access Question 44 Complete Marked out of 1.00 Flag question Question text Which PAgP mode forces the interface to channel without PAgP? Select one: a. PAgP desirable b. PAgP auto c. On Question 45 Complete Marked out of 1.00 Flag question Question text A network administrator enters the following command sequence on a Cisco 3560 switch. What is the purpose of these commands? Switch(config)# interface gigabitethernet 0/1 Switch(config-if)# no switchport Select one: a. to make the Gi0/1 port a routed port b. to shut down the Gi0/1 port c. to enable the Gi0/1 port as a bridge virtual interface d. to enable the Gi0/1 port as a switch virtual interface Question 46 Complete Marked out of 1.00 Flag question Question text 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? Select one: a. extended b. transparent c. pruned d. native Question 47 Complete Marked out of 1.00 Flag question Question text A company has deployed four 48-port access layer switches to a switch block. For redundancy each access layer switch will connect to two distribution layer switches. Additionally, link aggregation will be used to combine 10 Gbps interfaces to form 20 Gbps trunk links from the access layer switches to the distribution layer switches. How many switch ports on the access layer switches will be available in the switch block to support end devices? Select one: a. 176 b. 192 c. 184 d. 188 Question 48 Complete Marked out of 1.00 Flag question Question text When EtherChannel is implemented, multiple physical interfaces are bundled into which type of logical connection? Select one: a. port channel b. VLAN interface c. loopback d. interface range Question 49 Complete Marked out of 1.00 Flag question Question text A PC is to access a web server on another network. Which inter-VLAN method will provide the highest bandwidth at Layer 3 and also provide a default gateway for the PC? Select one: a. multiple physical interfaces on the router, all connected to a Layer 2 switc b. trunked interface between the router and the switch c. multilayer switch with routing enabled d. router on a stick Question 50 Complete Marked out of 1.00 Flag question Question text A network administrator configured an EtherChannel link with three interfaces between two switches. What is the result if one of the three interfaces is down? Select one: a. One interface becomes an active link for data traffic and the other becomes a backup link. b. The EtherChannel fails. c. The remaining two interfaces become separate links between the two switches. d. The remaining two interfaces continue to load balance traffic.