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Data Communications and Networking 2

Showing 226-300 of 361 answers

What is the administrative distance for a directly connected network?
  • 110
  • 0 Correct
  • 5
  • 1
What is the administrative distance for a static route?
  • 0
  • 110
  • 5
  • 1 Correct
What is the best practice relative to switch port modes?
  • Do not use the dynamic auto or dynamic desirable Correct
  • Use the dynamic auto or dynamic desirable switch port mode
  • Use only access switch port mode
  • Do not use trunk switch port mode
What is the command to assign the port to a particular VLAN when the interface is in access mode?
  • defineport access vlanvlan-id
  • switchport access vlanvlan-id Correct
  • assignport access vlanvlan-id
  • setport access vlanvlan-id
What is the command to configure the interface to automatically negotiate speed with the connected device?
  • speed auto Correct
What is the command to create a VLAN with a valid VLAN ID number 30?
  • Vlan 30 Correct
  • vlan id =30 =E2=80=93set
  • set vlan id = 30
  • Create vlan 30
What is the command to set the IP address (192.168.10.2) and subnet mask (255.255.0.0) for specific Fast Ethernet interface?
  • ip address 192.168.10.2 255.255.0.0 Correct
What is the command used to determine the status of both physical and virtual interfaces including IP address?
  • status ip interface /all
  • list ip interface /all
  • display all ip interface
  • show ip interface brief Correct
What is the correct syntax of a floating static route?
  • Ip route 209165200228 255255255248 10001 120 Correct
  • Ip route 209165200228 255255255248 serial 0/0/0
  • Ip route 1721600 25524800 10001
  • Ip route 0000 000 serial 0/0/0
What is the default administrative distance of OSPF?
  • 90
  • 120
  • 110 Correct
  • 100
What is the default administrative distance of the OSPF routing protocol?
  • 120
  • 110 Correct
  • 130
  • 90
  • 170
  • 100
What is the default number of equal-cost paths that can be placed into the routing of a Cisco OSPF router?
  • unlimited
  • 4 Correct
  • 2
  • 16
What is the function of PoE pass-through?
  • function of PoE pass-through? allows switches, phones, and wireless access points to receive power over existing Ethernet cables from an upstream switch Correct
What is the purpose of the DHCP server?
  • To translate URLs to IP addresses
  • To provide storage for email
  • To translate IPv4 addresses to MAC addresses
  • To provide an IP configuration information to hosts Correct
What is the purpose of VTP?
  • It provides centralized management of VLANs in a multi-switch environment. Correct
What is the range of values shown for the vty lines?
  • 0 - 15 Correct
  • 5 - 15
  • 0 - 4
  • 15
What is the status of the Port speed LED if the LED light is blinking green?
  • The port is operating at 10 Mbps
  • The port is operating at 100 Mbps
  • The port is busy and receiving data
  • The port is operating at 1000 Mbps Correct
  • The port is busy and sending data
What is the status of the Port speed LED if the LED light is green?
  • The port is busy and receiving data
  • The port is operating at 100 Mbps Correct
  • The port is operating at 10 Mbps
  • The port is busy and sending data
  • The port is operating at 1000 Mbps
What is the term that is used for the area of a network that is affected when a device or network service experiences problems?
  • Failure domain Correct
What loop prevention technique is implemented by distance vector routing protocols?
  • split horizon Correct
What route would have the lowest administrative distance?
  • A directly connected network Correct
What two functions describe uses of an access control list?
  • 3 & 5 Correct
What type of DHCP attack where in an attacker configures a fake DHCP server on the network to issue DHCP addresses to clients. The normal reason for this attack is to force the clients to use false Domain Name System (DNS) or Windows Internet Naming Service (WINS) servers and to make the clients use the attacker, or a machine under the control of the attacker, as their default gateway.
  • DHCP spoofing attack Correct
  • DHCP backdoor attack
  • DHCP phishing attack
  • DHCP starvation attack
What type of DHCP attack where in an attacker floods the DHCP server with DHCP requests to use all the available IP addresses that the DHCP server can issue. After these IP addresses are issued, the server cannot issue any more addresses, and this situation produces a denial-of-service (DoS) attackas new clients cannot obtain network access.
  • DHCP starvation attack Correct
What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?
  • Generic route
  • Destination route
  • Dynamic route
  • Default route Correct
What type of VLAN is the default VLAN?
  • tr
  • enet Correct
  • fddi
  • inet
When a DHCP server is configured, which two IP addresses should never be assignable to hosts?
  • 4 & 6 Correct
When a DHCP server is configured, which two IP addresses should never be assignable to hosts?Designated IP address to the DHCP serverIP address leased to the LANNetwork or subnetwork IP addressManually assigned address to the clientsIP address used by the interfacesBroadcast address on the network
  • 3 & 6 Correct
  • 4 & 6
  • 1 & 4
  • 2 & 3
When a DHCP server is configured, which two IP addresses should never be assignable to hosts?IP address used by the interfacesManually assigned address to the clientsDesignated IP address to the DHCP serverBroadcast address on the networkIP address leased to the LANNetwork or subnetwork IP address (Missed)
  • 2 & 3
  • 4 & 6 Correct
  • 3 & 4
  • 1 & 5
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?
  • passive Correct
When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets?
  • on Correct
When EtherChannel is implemented, multiple physical interfaces are bundled into which type of logical connection?
  • port channel Correct
Which 3 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.1. R1 (config)# interface ethernet 0 R1 (config-if)# ip address 192.1.1.129 255.255.255.192 R1 (config-if)# no shutdown2. R1 (config)# interface ethernet 0 R1(config-if)#ip address 192.1.1.97 255.255.255.192 R1 (config-if)# no shutdown3. R1 (config)# interface serial 0 R1 (config-if)# ip address 192.1.1.4 255.255.255.252 R1 (config-if)# clock rate 560004. R1 (config)# interface serial 0 R1(config-if)#ip address 192.1.1.6 255.255.255.252 R1 (config-it)# no shutdown5. R1 (config)# router rip R1 (config-router)# network 192.1.1.4 R1 (config-router)# network 192.1.1.1286. R1 (config)# router rip R1 (config-router)# version 2 R1 (config-router)# network 192.1.1.0
  • 1, 3, 5
  • 2, 3, 6
  • 1, 4, 6 Correct
  • 2, 3, 6
Which 3 statements describe the routing protocol OSPF?
  • 1, 3, 2005 Correct
Which 3 statements describe the routing protocol OSPF?It supports VLSM.It is used to route between autonomous systems.It confines network instability to one area of the network.It increases routing overhead on the network.It allows extensive control of routing updatesIt is simpler to configure than RIPv2.
  • 1, 3, 5 Correct
  • 2, 3, 6
  • 1, 2, 5
  • 2, 3, 4
Which algorithm is used by the OSPF routing process to construct the SPF tree on a router?
  • Dijkstra's algorithm Correct
Which are the 2 trunking protocols?
  • 80211g and 80211n
  • 80211a and 80211b
  • ISL and 80211g
  • ISL & IEEE 8021q Correct
Which classless routing protocol supports VLSM and CIDR, bounded and triggered updates, and uses the multicast address of 224.0.0.10?
  • EIGRP Correct
  • OSPF
  • RIPv2
  • RIPv1
Which classless routing protocol supports VLSM and CIDR, supports manual route summarization, and uses the multicast address 224.0.0.9?
  • RIPv2 Correct
Which combination of DTP modes set on adjacent switches will cause the link to become an access link instead of a trunk link?
  • dynamic auto - dynamic auto Correct
Which command can you use to manually assign a static IPV6 address to a router interface?
  • ipv6 autoconfig 2001:db8:2222:7272::72/64
  • ipv6 address 2001:db8:2222:7272::72/64 Correct
  • ipv6 autoconfig
  • ipv6 address PREFIX_1::1/64
Which command is used to configure an IPv6 address on a router interface so that the router will combine a manually specified network prefix with an automatically generated interface identifier?
  • ipv6 address ipv6-address/prefix-length eui-64 Correct
  • ipv6 enable
  • ipv6 address ipv6-address/prefix-length link-local
  • ipv6 address ipv6-address/prefix-length
Which command is used to determine if an IP access list is enabled on a particular interface?
  • Show ip interface Correct
Which command is used to display the collection of OSPF link states?
  • show ipospflsa database
  • show ipospf link-state
  • show ipospf database Correct
  • show ipospf neighbors
Which command will allow you to see real-time translations on your router?
  • clear ipnat translations *
  • debug ipnat Correct
  • show ipnat statistics
  • show ipnat translations
Which command will create a dynamic pool named Todd that will provide you with 30 global addresses?
  • ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.224 Correct
Which command will show you all the translations active on your router?
  • show ip nat translations Correct
Which command will show you the summary of the NAT configuration?
  • show ipnat statistics Correct
  • clear ipnat translations *
  • show ipnat translations
  • debug ipnat
Which command will start the process to bundle two physical interfaces to create an EtherChannel group via LACP?
  • channel-group 2 mode auto Correct
Which command would you place on interface connected to the Internet?
  • ipnat outside Correct
  • ip outside global
  • ipnat inside
  • ip inside local
Which command would you place on interface on a private network?
  • ipnat inside Correct
  • ip inside local
  • ip outside global
  • ipnat outside
Which 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 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. Router(config)#router ospf 1  2. Router(config)#router ospf 0 3. Router(config)#router ospf area 0 4. Router(config-router)#network 192.168.16.0 0.0.0.255 area 0 5. Router(config-router)#network 192.168.16.0 0.0.0.255 0 6. Router(config-router)#network 192.168.16.0 255.255.255.0 area 0
  • 4 & 5
  • 1 & 5
  • 2 & 4
  • 1 & 4 Correct
Which factor directly affects the time to convergence?
  • Size of the network Correct
  • Type of applications used
  • Number of hosts
  • The data link layer protocol used
Which feature could be used in a network design to increase the bandwidth by combining multiple physical links into a single logical link?
  • EtherChannel Correct
Which interior routing protocol uses protocol-dependent modules (PDMs)?
  • EIGRP Correct
Which IPv4 address range covers all IP addresses that match the ACL filter specified by 172.16.2.0 with wildcard mask 0.0.1.255?
  • 1721621 to 17216255255
  • 1721621 to 172163254
  • 1721620 to 172162255
  • 1721620 to 172163255 Correct
Which IPv6 ACL command entry will permit traffic from any host to an SMTP server on network 2001:DB8:10:10::/64?
  • Permit tcp host 2001:DB8:10:10::100 any eq 23
  • Permit tcp host 2001:DB8:10:10::100 any eq 25
  • Permit tcp any host 2001:DB8:10:10::100 eq 23
  • Permit tcp any host 2001:DB8:10:10::100 eq 25 Correct
Which is the VLAN not tagged by 802.1q?
  • Management VLAN
  • Native VLAN Correct
  • Default VLAN
  • Data VLAN
  • Voice VLAN
Which item represents the standard IP ACL?
  • access-list 50 deny 192.168.1.1 0.0.0.255 Correct
Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic?
  • SW1: on SW2: on Correct
Which network design solution will best extend access layer connectivity to host devices?
  • implementing wireless connectivity Correct
Which of the following 3 methods/types of NAT?
  • 1, 3, 2005 Correct
Which of the following 3 methods/types of NAT?1. Static2. IP NAT pool3. Dynamic4. NAT double-translation5. Overload
  • 1, 2, 4
  • 1, 2, 3
  • 1, 3, 5 Correct
  • 2, 3, 5
Which of the following are 2 primary functions of a router?1. Packet switching2. Microsegmentation3. Domain name resolution4. Path selection5. Flow control
  • 1 & 2
  • 1 & 5
  • 1 & 4 Correct
  • 3 & 5
Which of the following are 3 disadvantages of using NAT?
  • 1, 3, 2005 Correct
Which of the following describes a VLAN?
  • A group of devices within a VLAN communicate as if they were attached to the same wire
  • VLANs allow an administrator to segment networks based on factors such as function, project team, or application
  • VLANs provide a way to group devices within a LAN
  • VLANs are based on logical connections, instead of physical connections Correct
Which of the following describes Dynamic Trunking Protocol?
  • All of the choices Correct
  • Switches from other vendors do not support Dynamic Trunking Protocol
  • Dynamic Trunking Protocol is a proprietary networking protocol developed by Cisco Systems
  • Dynamic Trunking Protocol is enabled by default
Which of the following HSRP router states does an active router enter when it is preempted by a higher priority router?
  • Speak Correct
Which of the following is an element of converged network?
  • Voice Messaging
  • Mobility
  • All of the choices Correct
  • Call control
  • Automated Attendant
Which of the following is NOT a benefit of VLAN?
  • Cost savings result from reduced need for expensive network upgrades and more efficient use of existing bandwidth and uplinks
  • Groups that have sensitive data are separated from the rest of the network, decreasing the chances of confidential information breaches
  • VLANs make it easier to manage the network because users with similar network requirements share the same VLAN
  • Dividing Layer 1,2 and 3 networks into multiple physical workgroups reduces unnecessary traffic on the network and boosts performance Correct
Which of the following is NOT a characteristics of a network?
  • Reliability
  • None of the choices
  • All of the choices Correct
  • Scalability
  • Cost
  • Security
Which of the following is NOT a feature of a Switched Network
  • None of the choices Correct
Which of the following is NOT an element of converged network?
  • Automated Attendant
  • Voice Messaging
  • None of the choices Correct
  • Mobility
  • Call control
Which of the following is the command to configure the IP domain name of the network (mycompany.com)
  • Config mycompany -ipdomain
  • Ip domain-name mycompanycom Correct
  • Ipconfig mycompanycom
  • Ip configure mycompanycom
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