Network + Exam 2

Which of the following is a Class A IPv4 address? 1) 199.176.150.1 2) 150.176.150.1 3) 120.176.150.1 4) 224.0.0.130

3) 120.176.150.1

Which of the following is NOT a type of IGP routing protocol? Hybrid Distance vector Link state Hybrid state

Hybrid state

Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host? DHCP UDP ARP ICMP

ICMP

Which of the following is a protocol at the Internet Layer? IP TCP UDP ICMP

IP

Which of the following is NOT an IPv6 address type? broadcast global unicast anycast multicast

broadcast

What kind of information does a DHCP server provide? host name DNS server subnet mask MAC address

host name DNS server

Which of the following is NOT an IPv4 address type? broadcast unicast multicast link-local

link-local

What does a router NOT need to know to route packets? possible routes source network address neighbor routers destination network address best routes

source network address

What is the purpose of auto-configuration? to provide an IP address to provide a host name to provide a MAC address to provide a unicast address

to provide a unicast address

What two protocols below are Data Link Layer protocols designed to connect WAN endpoints in a direct connection, such as when a client computer connects to a server at an ISP using a dial-up or DSL connection and modem? OpenVPN ​SLIP ​PPTP ​PPP

​SLIP ​PPP

Which one of these IP addresses is NOT private ? Correct Answer 172.32.5.2 172.16.4.4 192.168.5.5 10.1.1.1 192.167.10.10

172.32.5.2 192.167.10.10

Which of the following is the default subnet mask for a Class B IPv4 address? 1) 255.255.0.0 2) 255.0.0.0 3) 255.255.255.0 4) 255.255.255.255

1) 255.255.0.0

Which protocol translates TCP/IP addresses to MAC addresses? 1) ARP 2) RARP 3) DNS 4) WINS

1) ARP

You want to connect Network X to Network Y creating an internetwork. Which internetworking device should you use to accomplish this? 1) Router 2) Bridge 3) Repeater 4) Modem

1) Router

XYZ County Schools is a small rural school district. Recently, the CIO was given authorization to connect the district-office LAN to the Internet. A 56Kbps line was installed in the district office. What two internetworking devices does XYZ County Schools have to install in order to connect the district-office LAN to the Internet? (Choose two.) 1) Router 2) CSU/DSU 3) Bridge 4) Gateway 5) Repeater

1) Router 2) CSU/DSU

Which protocol is used to send email messages? 1) SMTP 2) SSH 3) SCP 4) SNMP

1) SMTP

Which of the following statements are true? 1) TCP is a connection-oriented transport protocol. 2)UDP is a connection-oriented transport protocol. 3)TCP is a connectionless transport protocol. 4)UDP is a connectionless transport protocol.

1) TCP is a connection-oriented transport protocol. 4)UDP is a connectionless transport protocol.

Which of the following is classified as an APIPA address? 1) 10.169.254.125 2) 169.254.10.125 3) 125.10.169.254 4) 169.10.1.254

2) 169.254.10.125

You have established a wireless network in your SOHO. Your office is in one building, and your laptop, where you monitor your email, is in your home office, which is 75 yards across your yard. There is a clear line of sight between your home and your office. The wireless router is an 802.11g unit, with four LAN ports. It functions as a firewall, NAT server, and DHCP server. Computers in the office never have issues with connectivity. Office computers can access local resources and Internet resources. Your laptop has been having problems accessing office resources and Internet resources. When you take the laptop to the office and connect it with a patch cable, everything works fine. What is the most likely problem? 1) NAT configuration information is not being transmitted across the wireless network 2) DHCP configuration information is not being transmitted across the wireless network. 3) WINS configuration information is not being transmitted across the wireless network. 4) DNS configuration information is not being transmitted across the wireless network.

2) DHCP configuration information is not being transmitted across the wireless network.

Which layer of the OSI model is concerned with hubs, repeaters, and cables? 1) Network 2) Physical 3) Application 4) Data Link

2) Physical

When networked computers boot up, they are configured with a 169.254.x.x IP address. They cannot access Internet resources. What is the problem? 1) The DNS server is down. 2) The DHCP server is down. 3) The WINS server is down. 4) The NAT server is down.

2) The DHCP server is down.

You are not able to access the Internet using your laptop. Your laptop has the following configuration: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Dell Wireless WLAN 1350 WLAN Mini-PC I Card Physical Address. . . . . . . . . : 00-0B-7D-11-54-3C Dhcp Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 10.0.0.256 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 10.0.0.225 DHCP Server . . . . . . . . . . . : 10.0.0.225 DNS Servers . . . . . . . . . . . : 10.0.0.100 10.0.0.101 Lease Obtained. . . . . . . . . . : Thursday, August 01, 2007 11:47:10 AM Lease Expires . . . . . . . . . . : Friday, August 02, 2007 11:47:10 AM Why can't you access the Internet? 1) The DNS server is misconfigured 2) The IP address is misconfigured. 3) The subnet mask is misconfigured. 4) The gateway is misconfigured.

2) The IP address is misconfigured.

Your network is connected to the Internet. As the network administrator, you install packet filtering on the router that connects your network to the Internet. After you configure packet filtering, users on the network are no longer able to download files. What did you do to create this problem? 1) You blocked port 25. 2) You blocked port 21. 3) You blocked port 110. 4) You blocked port 80.

2) You blocked port 21.

Which of the following is classified as Class B private IP address? 1) 169.254.10.125 2) 10.125.169.254 3) 172.16.169.254 4) 192.168.1.1

3) 172.16.169.254

Which of the following is a Class C IPv4 address? 1) 1.176.150.201 2) 176.150.201.1 3) 201.150.176.1 4) 240.1.150.176

3) 201.150.176.1

Which physical layer network device broadcasts all incoming packets out all available ports? 1) Switch 2) Repeater 3) Hub 4) CSU/DSU

3) Hub

Which of the following statements is true in reference to the following IP address? 10.10.10.1 1) It is a registered Class C address. 2) It is the loopback address. 3) It is a Private Class A address. 4) It is an APIPA-generated address.

3) It is a Private Class A address.

Your network is divided into two segments. As the signal travels down the first segment, it becomes weak. To amplify the signals passing to the second segment, the network engineer installed a networking device. Which networking device did the engineer install? 1) Router 2) Bridge 3) Repeater 4) Gateway 5) Modem

3) Repeater

You are not able to access the Internet using your laptop. Your laptop has the following configuration: IP Address. . . . . . . . . . . . : 10.0.0.230 Subnet Mask . . . . . . . . . . . : 255.255.255.255 Default Gateway . . . . . . . . . : 10.0.0.225 Why can't you access the Internet? 1) The DNS server is misconfigured. 2) The IP address is misconfigured. 3) The subnet mask is misconfigured. 4) The gateway is misconfigured.

3) The subnet mask is misconfigured.

Your network is connected to the Internet. As the network administrator, you install packet filtering on the router that connects your network to the Internet. After you configure packet filtering, users on the network are no longer able to send email outbound to the Internet. What did you do to create this problem? 1) You blocked port 21. 2) You blocked port 110. 3) You blocked port 25. 4) You blocked port 80.

3) You blocked port 25.

The purpose of a bridge is to ____________. 1) connect network subnets 2) amplify a data signal and all accompanying noise 3) filter data on a network by MAC address 4) prepare signals for transmission on a WAN

3) filter data on a network by MAC address

Which of these addresses is the shortest abbreviation for the IP address: 3FFE:1044:0000:0000:00AB:0000:0000:0057? 3FFE:1044:0:0:00AB::0057 3FFE:1044:0000:0000:00AB::57 3FFE:1044::00AB::0057 3FFE:1044:0 0:AB::57 3FFE:1044::AB:0:0:57 3FFE:1044:0000:0000:00AB::0057

3FFE:1044::AB:0:0:57

What is the default TCP port for HTTPS? 1) 80 2) 110 3) 123 4) 443

4) 443

Which network device protects a local network's resources from external attacks? 1) Gateway 2) WAP 3) Modem 4) Firewall

4) Firewall

Which of the following TCP and UDP ports are matched with the correct protocol? 1) TCP port 118: NNTP 2) UDP port 23: SMTP 3) UDP port 111: POP3 4) TCP port 53: DNS

4) TCP port 53: DNS

You are interviewing for a technology manager's job. The hiring party needs to test your knowledge of TCP/IP troubleshooting commands. She asks, "Which command should you execute if you want the easiest and fastest method of determining whether you have connectivity to the corporate intranet?" 1) config 2) ls -aFl 3) ps 4) ping

4) ping

The local school district decided at its last school board meeting to install a wired LAN in the district high school. The high school has 250 stand-alone computers. For each computer to communicate on a wired LAN, the network person must install a(n) ____________ in each computer. 1) DB-25 connector 2) IBM data connector 3) T-connector 4) RJ-45 connector 5) NIC

5) NIC

What are the components of an IPv4 address? 1) OUI and Segment 2) Domain and Host 3) Segment and Host 4) Domain and Network 5) Network and Host

5) Network and Host

What is the most popular exterior gateway protocol (EGP)? Interior Gateway Routing Protocol (IGRP) Open Shortest Path First (OSPF) Protocol Border Gateway Protocol (BGP) Routing Information Protocol (RIP)

Border Gateway Protocol (BGP)

Which of the following devices are classified as modems? WAP Cable DSL ISDN TA

Cable DSL

Which protocols should you use if you want to dynamically assign IP addresses to network clients? DNS DHCP CIDR WINS

DHCP

Which of the following is a category of Interior Gateway routing protocol? Distance Vector (DV) Protocol Interior Gateway Routing Protocol (IGRP) Routing Information Protocol (RIP) Border Gateway Protocol (BGP)

Distance Vector (DV) Protocol Interior Gateway Routing Protocol (IGRP)

When a router learns routes to remote networks from other routers in the network it is known as ________ routing. Dynamic routing IGP routing EGP routing Static routing

Dynamic routing

Which of the following is considered a hybrid IGP routing protocol? BGP EIGRP OSPF RIP

EIGRP

Examine the routing table below. Which interface will a packet destined for a host with an IP address of 10.10.30.207/24 exit? Gateway of last resort is not set C 10.10.10.0 /24 is directly connected , FastEthernet 0/1 C 10.10.20.0 /24 is directly connected , FastEthernet 0/2 C 10.10.30.0 /24 is directly connected , FastEthernet 0/3 C 10.10.40.0 /24 is directly connected , Serial 0/1 FastEthernet 0/2 FastEthernet 0/3 It will be discarded Serial 0/1

FastEthernet 0/3

What field content is used by ICMPv6 to determine that a packet has expired? CRC field Hop Limit field Time Exceeded field TTL field

Hop Limit field

Which protocol does the command ping use to check network connectivity? LDAP ICMP HTTP Telnet

ICMP

What is indicated by a successful ping to the ::1 IPv6 address? The default gateway address is correctly configured. The host is cabled properly. All hosts on the local link are available. The link-local address is correctly configured. IP is properly installed on the host.

IP is properly installed on the host.

What occurs when a router receives a packet to a remote network that is not listed in the routing table? It performs an arp broadcast to learn the MAC address of the destination computer It queries all other routers for a route It discards the packet It discards the packet and sends an ICMP message to the transmitting device

It discards the packet and sends an ICMP message to the transmitting device

Once a router determines the interface to which it should send a packet what occurs next? It performs an ARP broadcast only on the destination network to learn the MAC address of the destination computer It performs an ARP broadcast computer on all networks to learn the MAC address of the destination It queries all other routers for the MAC address of the destination computer It sends the packet

It performs an ARP broadcast only on the destination network to learn the MAC address of the destination computer

Which of the following is NOT an advantage of using dynamic routing protocols? It simplifies administration It allows for automatic reaction to lost routes It allows for the determination of the best route It reduces network traffic

It reduces network traffic

If configured with a default gateway, what action does a host device take when it determines that the destination address of a packet is in a remote network? It discards the packet It performs an arp broadcast to learn the MAC address of the destination computer It broadcasts on the local network for the IP address of the default gateway It sends the packet to its configured default gateway

It sends the packet to its configured default gateway

Examine the routing table below. Which interface will a packet destined for the host with an IP address of 10.10.50.207/24 exit? Gateway of last resort is not set C 10.10.10.0 /24 is directly connected , FastEthernet 0/1 C 10.10.20.0 /24 is directly connected , FastEthernet 0/2 C 10.10.30.0 /24 is directly connected , FastEthernet 0/3 C 10.10.40.0 /24 is directly connected , Serial 0/1 FastEthernet 0/3 It will be discarded FastEthernet 0/2 Serial 0/1

It will be discarded

10.0.0.0 to 10.255.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255

Private IP Addresses

Which of the following is a protocol at the Process/Application layer? SSH TCP UDP IP

SSH

Which of the following is a protocol at the Host-to-Host layer? TCP IP SSH HTTP

TCP

What is the difference between an Intrusion Detection System (IDS) and an Intrusion Prevention System (IPS)? there is no difference an IPS detects intrusions; an IDS prevents intrusions an IDS detects intrusions; an IPS prevents intrusions both have the same functionality

an IDS detects intrusions; an IPS prevents intrusions

Which of the following is a name of a layer in the TCP/IP (DoD) model? application transport network physical

application

What command produce the following output? Interface: 10.0.0.4 --- 0x8 Internet Address Physical Address Type 10.0.0.1 00-1b-2f-6b-d0-2a dynamic 10.0.0.3 00-20-00-21-9d-b6 dynamic show ip route ipconfig arp -a show ip arp

arp -a

What is an access point? hub bridge switch route

hub

What are the two components of an IPv6 address? network and host interface ID and prefix prefix and host network and interface ID

interface ID and prefix

At what OSI layers does a multi-layer switch operate? layers 1 and 2 layers 2 and 3 layers 3 and 4 layers 4 and 5

layers 2 and 3

At which OSI layers is the broadcast address used at? layers 2 and 3 layers 4 and 5 layers 1 and 2 layers 3 and 4

layers 2 and 3

From what command is the following output? =========================================================================== Interface List 3...d8 cb 8a e6 fa 09 ......Realtek PCIe GBE Family Controller 1...........................Software Loopback Interface 1 7...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface =========================================================================== show ip route traceroute sh ip route route print

route print

What router command generated the following output? Gateway of last resort is not set C 10.10.10.0 /24 is directly connected , FastEthernet 0/1 C 10.10.20.0 /24 is directly connected , FastEthernet 0/2 C 10.10.30.0 /24 is directly connected , FastEthernet 0/3 C 10.10.40.0 /24 is directly connected , Serial 0/1 show ip arp ipconfig arp -a show ip route

show ip route

An administrator wants to configure hosts to automatically assign IPv6 addresses to themselves by the use of Router Advertisement messages, but also to obtain the DNS server address from a DHCPv6 server. Which address assignment method should be configured? stateless DHCPv6 stateful DHCPv6 SLAAC RA and EUI-64

stateless DHCPv6

Which device on a network receives the MAC address of each device on the network? router hub switch bridge

switch

What is the purpose of the Dynamic Host Configuration Protocol (DHCP)? to assign IPv4 addresses to assign MAC addresses to assign IPv6 addresses to assign host names

to assign IPv4 addresses to assign IPv6 addresses

What is the purpose of a Domain Name Server (DNS) server? to assign IPv4 addresses to assign MAC addresses to assign IPv6 addresses to assign host names

to assign host names

What is the purpose of the subnet mask in conjunction with an IP address? to uniquely identify a host on a network to mask the IP address to outsiders to identify whether the address is public or private to determine the subnet to which the host belongs

to determine the subnet to which the host belongs

What is the purpose of ICMP messages? to inform routers about network topology changes to monitor the process of a domain name to IP address resolution to provide feedback of IP packet transmissions to ensure the delivery of an IP packet

to provide feedback of IP packet transmissions

What is the purpose of a load balancer? to balance load to re-route network traffic to alleviate network congestion to provide redundant paths to multiple devices

to provide redundant paths to multiple devices

What is the purpose of a multicast address? to send packets to all of the hosts on a subnet to send packets to groups of hosts to send packets to a particular host it is the same as a broadcast address

to send packets to groups of hosts