Test
ICND 1
Preguntas del test (60)
1The ip helper-address command does what?
- AA. assigns an IP address to a host
- BB. resolves an IP address from a DNS server
- CC. relays a DHCP request across networks
- DD. resolves an IP address overlapping issue
2What is the best practice when assigning IP addresses in a small office of six hosts?
- A. Use a DHCP server that is located at the headquarters.
- BUse a DHCP server that is located at the branch office.
- CAssign the addresses by using the local CDP protocol.
- DAssign the addresses statically on each node.
3Refer to the exhibit. As packets travel from Mary to Robert, which three devices will use the destination MAC address of the packet to determine a forwarding path? (Choose three)
- AHUB 1
- BSwitch 1
- CRouter 1
- DSwitch 2
- ERouter 2
- FSwitch 3
4Refer to the exhibit. HostX is transferring a file to the FTP server. Point A represents the frame as it goes toward the Toronto router. What will the Layer 2 destination address be at this point?
- AA. abcd. 1123.0045
- BB. 192.168.7.17
- CC. aabb.5555.2222
- DD. 192.168.1.1
- EE. abcd.2246.0035
5The command ip route 192.168.100.160 255.255.255.224 192.168.10.2 was issued on a router. No routing protocols or other static routes are configured on the router. Which statement is true about this command?
- AA. The interface with IP address 192.168.10.2 is on this router.
- BB. The command sets a gateway of last resort for the router.
- CPackets that are destined for host 192.168.100.160 will be sent to 192.168.10.2.
- DThe command creates a static route for all IP traffic with the source address 192.168.100.160.
6What does administrative distance refer to?
- A. the cost of a link between two neighboring routers
- Bthe advertised cost to reach a network
- Cthe cost to reach a network that is administratively set
- Da measure of the trustworthiness of a routing information source
7Refer to the exhibit. If host A sends an IP packet to host B, what will the source physical address be in the frame when it reaches host B?
- A10.168.10.99
- B10.168.11.88
- CA1:A1:A1:A1:A1:A1
- DB2:B2:B2:B2:B2:B2
- EC3:C3:C3:C3:C3:C3
- FD4:D4:D4:D4:D4:D4
8Refer to the exhibit. Host A is sending a packet to Host B for the first time. What destination MAC address will Host A use in the ARP request?
- A192.168.0.1
- B172.16.0.50
- C00-17-94-61-18-b0
- D00-19-d3-2d-c3-b2
- Eff-ff-ff-ff-ff-ff
- F255.255.255.255
9Refer to the exhibit. Host A can communicate with Host B but not with Host C or D. How can the network administrator solve this problem?
- AConfigure Hosts C and D with IP addresses in the 192.168.2.0 network.
- BInstall a router and configure a route to route between VLANs 2 and 3.
- CInstall a second switch and put Hosts C and D on that switch while Hosts A and B remain on the original switch.
- DEnable the VLAN trunking protocol on the switch.
10Refer to the exhibit. The host in Kiev sends a request for an HTML document to the server in Minsk. What will be the source IP address of the packet as it leaves the Kiev router?
- A10.1.0.1
- B10.1.0.5
- C10.1.0.6
- D10.1.0.14
- E10.1.1.16
- F10.1.2.8
11Refer to the exhibit. Mary is sending an instant message to Robert. The message will be broken into a series of packets that will traverse all network devices. What addresses will populate these packets as they are forwarded from Router1 to Router2?
- A
- B
- C
- D
- A
12Refer to the exhibit. Which two statements are correct? (Choose two)
- AThis is a default route.
- BAdding the subnet mask is optional for the ip route command.
- CThis will allow any host on the 172.16.1.0 network to reach all known destinations beyond RouterA.
- DThis command is incorrect, it needs to specify the interface, such as s0/0/0 rather than an IP address.
- EThe same command needs to be entered on RouterA so that hosts on the 172.16.1.0 network can reach network 10.0.0.0.
13Refer to the exhibit. Which command would you use to configure a static route on Router1 to network 192.168.202.0/24 with a nondefault administrative distance?
- Arouter1(config)#ip route 1 192.168.201.1 255.255.255.0 192.168.201.2
- Brouter1(config)#ip route 192.168.202.0 255.255.255.0 192.168.201.2 1
- Crouter1(config)#ip route 5 192.168.202.0 255.255.255.0 192.168.201.2
- Drouter1(config)#ip route 192.168.202.0 255.255.255.0 192.168.201.2 5
14Refer to the exhibit. The output is from a router in a large enterprise. From the output, determine the role of the router.
- AA Core router.
- BThe HQ Internet gateway router.
- CThe WAN router at the central site.
- DRemote stub router at a remote site.
15Refer to the exhibit. What is the simplest way to configure routing between the regional office network 10.89.0.0/20 and the corporate network?
- Arouter1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.2
- Brouter2(config)#ip route 10.89.3.0 255.255.0.0 10.89.16.2
- Crouter1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.1
- Drouter2(config)#ip route 0.0.0.0 0.0.0.0 10.89.16.1
16Refer to the exhibit. What must be configured to establish a successful connection from Host A to switch SW-A through router RT-A?
- AVLAN 1 on RT-A
- BIP routing on SW-A
- Cdefault gateway on SW-A
- Dcrossover cable connecting SW-A and RT-A
17Refer to the exhibit. Which default gateway address should be assigned to HostA?
- A192.168.1.1
- B192.168.1.65
- C192.168.1.66
- D192.168.1.129
- E10.1.1.1
- F10.1.1.2
18Which OSI layer header contains the address of a destination host that is on another network?
- AA. application
- BB. session
- CC. transport
- DD. network
- EE. data link
- FF. physical
19At which layer of the OSI model does the protocol that provides the information that is displayed by the show cdp neighbors command operate?
- AA. application
- BB. transport
- CC. network
- DD. physical
- EE. data link
20What are two common TCP applications? (Choose two)
- AA. TFTP
- BB. SMTP
- CC. SNMP
- DD. FTP
- EE. DNS
21Which two characteristics describe the access layer of the hierarchical network design model? (Choose two)
- AA. layer 3 support
- BB. port security
- CC. redundant components
- DD. VLANs
- EE. PoE
22Which layer of the TCP/IP stack combines the OSI model physical and data link layers?
- AA. Internet layer
- BB. transport layer
- CC. application layer
- DD. network access layer
23Which layer of the OSI model controls the reliability of communications between network devices using flow control, sequencing and acknowledgments?
- AA. Physical
- BB. Data-link
- CC. Transport
- DD. Network
24Which network device functions only at Layer 1 of the OSI model?
- Abridge
- Bhub
- CNIC
- Drouter
- Eswitch
25Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two)
- AA. It is locally significant.
- BB. It is globally significant.
- CC. It is needed to identify a unique instance of an OSPF database.
- DD. It is an optional parameter required only if multiple OSPF processes are running on the router.
- EE. All routers in the same OSPF area must have the same process ID if they are to exchange routing information.
26Which statements describe the routing protocol OSPF? (Choose three)
- AA. It supports VLSM.
- BB. It is used to route between autonomous systems.
- CC. It confines network instability to one area of the network.
- DD. It increases routing overhead on the network.
- EE. It allows extensive control of routing updates.
- FF. It is simpler to configure than RIPv2.
27Which address are OSPF hello packets addressed to on point-to-point networks?
- AA. 224.0.0.5
- BB. 172.16.0.1
- CC. 192.168.0.5
- DD. 223.0.0.1
- EE. 254.255.255.255
28What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two)
- AA. hello packets
- BB. SAP messages sent by other routers
- CC. LSAs from other routers
- DD. beacons received on point-to-point links
- EE. routing tables received from other link-state routers
- FF. TTL packets from designated routers
29Which protocol uses a connection-oriented service to deliver files between end systems?
- AA. TFTP
- BB. DNS
- CC. FTP
- DD. SNMP
- EE. RIP
30On a Cisco switch, which protocol determines if an attached VoIP phone is from Cisco or from another vendor?
- AA. RTP
- BB. TCP
- CC. CDP
- DD. UDP
31Which statements accurately describe CDP? (Choose three)
- AA. CDP is an IEEE standard protocol.
- BB. CDP is a Cisco proprietary protocol.
- CC. CDP is a datalink layer protocol.
- DD. CDP is a network layer protocol.
- EE. CDP can discover directly connected neighboring Cisco devices.
- FF. CDP can discover Cisco devices that are not directly connected.
32A workstation has just resolved a browser URL to the IP address of a server. What protocol will the workstation now use to determine the destination MAC address to be placed into frames directed toward the server?
- AA. HTTP
- BB. DNS
- CC. DHCP
- DD. RARP
- EE. ARP
33Which statements are true regarding ICMP packets? (Choose two)
- AA. They acknowledge receipt of TCP segments.
- BB. They guarantee datagram delivery
- CC. TRACERT uses ICMP packets.
- DD. They are encapsulated within IP datagrams.
- EE. They are encapsulated within UDP datagrams
34An administrator has connected devices to a switch and, for security reasons, wants the dynamically learned MAC addresses from the address table added to the running configuration. What must be done to accomplish this?
- AA. Enable port security and use the keyword sticky.
- BB. Set the switchport mode to trunk and save the running configuration.
- CC. Use the switchport protected command to have the MAC addresses added to the configuration.
- DD. Use the no switchport port-security command to allow MAC addresses to be added to the configuration.
35The following commands are entered on the router:
Burbank(config)# enable secret fortress
Burbank(config)# line con 0
Burbank(config-line)# login
Burbank(config-line)# password n0way1n
Burbank(config-line)# exit
Burbank(config)# service password-encryption
What is the purpose of the last command entered?- AA. to require the user to enter an encrypted password during the login process
- BB. to prevent the vty, console, and enable passwords from being displayed in plain text in the configuration files
- CC. to encrypt the enable secret password
- DD. to provide login encryption services between hosts attached to the router
36Why would a network administrator configure port security on a switch?
- AA. to prevent unauthorized Telnet access to a switch port
- BB. to prevent unauthorized hosts from accessing the LAN
- CC. to limit the number of Layer 2 broadcasts on a particular switch port
- DD. block unauthorized access to the switch management interfaces
37A company has placed a networked PC in a lobby so guests can have access to the corporate directory. A security concern is that someone will disconnect the directory PC and re-connect their laptop computer and have access to the corporate network. For the port servicing the lobby, which three configuration steps should be performed on the switch to prevent this? (Choose three)
- AA. Enable port security.
- BB. Create the port as a trunk port.
- CC. Create the port as an access port.
- DD Create the port as a protected port.
- EE. Set the port security aging time to 0.
- FF. Statically assign the MAC address to the address table.
- GG. Configure the switch to discover new MAC addresses after a set time of inactivity
38What is the effect of using the service password-encryption command?
- AA. Only the enable password will be encrypted.
- BB. Only the enable secret password will be encrypted.
- CC. Only passwords configured after the command has been entered will be encrypted.
- DD. It will encrypt the secret password and remove the enable secret password from the configuration.
- EE. It will encrypt all current and future passwords.
39How can you ensure that only the MAC address of a server is allowed by switch port Fa0/1?
- AA. Configure port Fa0/1 to accept connections only from the static IP address of the server.
- BB. Configure the server MAC address as a static entry of port security.
- CC. Use a proprietary connector type on Fa0/1 that is incomputable with other host connectors.
- DD. Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
40What is the subnet address for the IP address 172.19.20.23/28?
- AA. 172.19.20.0
- BB. 172.19.20.15
- CC. 172.19.20.16
- DD. 172.19.20.20
- EE. 172.19.20.32
41What is the network address for the host with IP address 192.168.23.61/28?
- AA. 192.168.23.0
- BB. 192.168.23.32
- CC. 192.168.23.48
- DD. 192.168.23.56
- EE. 192.168.23.60
42Given an IP address of 192.168.1.42 255.255.255.248, what is the subnet address?
- AA. 192.168.1.8/29
- BB. 192.168.1.32/27
- CC. 192.168.1.40/29
- DD. 192.168.1.16/28
- EE. 192.168.1.48/29
43An administrator must assign static IP addresses to the servers in a network. For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP properties box for the sales server?
- AA. IP address: 192.168.20.14
Subnet Mask: 255.255.255.248
Default Gateway. 192.168.20.9 - BB. IP address: 192.168.20.254
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.20.1 - CC. IP address: 192.168.20.30
Subnet Mask: 255.255.255.248
Default Gateway: 192.168.20.25 - DD. IP address: 192.168.20.30
Subnet Mask: 255.255.255.240
Default Gateway: 192.168.20.17 - EE. IP address: 192.168.20.30
Subnet Mask: 255.255.255.240
Default Gateway. 192.168.20.25
- AA. IP address: 192.168.20.14
44Given a Class C IP address subnetted with a /30 subnet mask, how many valid host IP addresses are available on each of the subnets?
- AA. 1
- BB. 2
- CC. 4
- DD. 8
- EE. 252
- FF. 254
45Refer to the exhibit. The enterprise has decided to use the network address 172.16.0.0. The network administrator needs to design a classful addressing scheme to accommodate the three subnets, with 30, 40, and 50 hosts, as shown. What subnet mask would accommodate this network?
Net bits Subnet mask total-addresses per subnet
/20 255.255.240.0 4096
/21 255.255.248.0 2048
/22 255.255.252.0 1024
/23 255.255.254.0 512
/24 255.255.255.0 256
/25 255.255.255.128 128
/26 255.255.255.192 64
/27 255.255.255.224 32
/28 255.255.255.240 16
/29 255.255.255.248 8
/30 255.255.255.252 4- AA. 255.255.255.192
- BB. 255.255.255.224
- CC. 255.255.255.240
- DD. 255.255.255.248
46The network manager has requested a 300-workstation expansion of the network. The workstations are to be installed in a single broadcast domain, but each workstation must have its own collision domain. The expansion is to be as cost-effective as possible while still meeting the requirements. Which three items will adequately fulfill the request? (Choose three)
- AA. one IP subnet with a mask of 255.255.254.0
- BB. two IP subnets with a mask of 255.255.255.0
- CC. seven 48-port hubs
- DD. seven 48-port switches
- EE. one router interface
- FF. seven router interfaces
47Which router command will configure an interface with the IP address 10.10.80.1/19?
- AA. router(config-if)# ip address 10.10.80.1/19
- BB. router(config-if)# ip address 10.10.80.1 255.255.0.0
- CC. router(config-if)# ip address 10.10.80.1 255.255.255.0
- DD. router(config-if)# ip address 10.10.80.1 255.255.224.0
- EE. router(config-if)# ip address 10.10.80.1 255.255.240.0
- FF. router(config-if)# ip address 10.10.80.1 255.255.255.240
48A PC sends packets to the default gateway IP address the first time since the PC turned on.
- AICMP
- BARP
- CDNS
- DDHCP
49The network administrator is checking basic IP connectivity from a workstation to a server.
- AARP
- BDNS
- CDHCP
- DICMP
50The TCP/IP protocol stack must find an IP address for packets destined for a URL.
- ADNS
- BDHCP
- CICMP
- DARP
51A network device will automatically assign IP addresses to workstations.
- ADHCP
- BDNS
- CICMP
- DARP
52A PC with address 10.1.5.10 must access devices on the Internet.
- ANAT
- BDHCP
- CDNS
- DOSPF
53Only routers and servers require static IP addresses. Easy IP administration is required.
- ADHCP
- BNAT
- CDNS
- DOSPF
54A PC only knows a server as Media Server. IP needs to send data to that server.
- ADNS
- BOSPF
- CDHCP
- DNAT
55A protocol is needed to replace current static routes with automatic route updates.
- AOSPF
- BDNS
- CDHCP
- DNAT
56A protocol used to monitor and manage network devices
- ASNMP
- BFTP
- CTFTP
- DDNS
- EDHCP
57A reliable, connection-oriented service that uses TCP to transfer files between systems
- AFTP
- BTFTP
- CSNMP
- DDNS
- EDHCP
58A connectionless service that uses UDP to transfer files between systems
- ATFTP
- BDNS
- CDHCP
- DFTP
- ESNMP
59A protocol that converts human-readable names into machine-readable addresses
- ADNS
- BTFTP
- CDHCP
60Used to assign IP addresses automatically and set parameters such as subnet mask and default gateway
- ADHCP
- BDNS
- CTFTP
- DSNMP
Información
- Descripción
- Test sobre ICND 1, creado por Kaylynn Schulder el 30/10/2014.
- Autor
- Kaylynn Schulder
- Idioma
- English
- Visitas
- 37
- Valoración
- Aún sin valoraciones Valora este test