EEL2150 Network+ Final Exam

18) What is the name of the specification that indicates the frequencies that are dedicated for data transmission over cable lines? A) DOCSIS B) EIA/TIA 568a C) SONET D) IEEE 802.6

DOCSIS

3) Which of the following are NOT examples of wireless media? A) Cellular phone B) LTE C) HSPA+ D) DSL

DSL

19) Which mode of PIM uses a source distribution tree? A) Sparse mode B) Dense mode C) Broadcast mode D) Source mode

Dense mode

16) What is the maximum distance that an ADSL modem (client) can be from a provider's DSLAM? A) 14,000 feet B) 15,000 feet C) 18,000 feet D) 22,000 feet

18,000 feet

9) Which IP addresses assignment method leads to less administrative efforts for Information Technology professionals? A) Statically B) Manually C) BOOTP D) DHCP

DHCP

12) You have a subnet mask of 255.255.255.248. What is the prefix notation? A) /29 B) /28 C) /27 D) /26

/29

5) What is the administrative distance of a directly connected network? A) 0 B) 90 C) 110 D) 170

0

6) What is the binary version of the decimal number 49? A) 10110001 B) 00110001 C) 00110010 D) 00111010

00110001

16) How many bits are used for an IPv6 address? A) 256 B) 128 C) 64 D) 32

128

5) What is the result of the binary conversion in the example shown here? 128 64 32 16 8 4 2 1 1 0 0 0 0 0 0 0 A) 128 B) 256 C) 32 D) 127

128

14) How many hosts can you have with a subnet of 192.168.1.0/28? A) 30 B) 14 C) 16 D) 6

14

4) What is the result of the binary conversion in the example shown here? 128 64 32 16 8 4 2 1 1 0 0 1 0 1 1 0 A) 105 B) 256 C) 128 D) 150

150

5) If the bandwidth of an OC-1 link is 51.84 Mbps, what is the bandwidth of an OC-3 link? A) 155 Mbps B) 51.84 Mbps C) 155.52 Mbps D) 1.54 Mbps

155.52 Mbps

13) How many subnets do you get with a subnet of 192.168.1.0/28? A) 12 B) 13 C) 16 D) 20

16

14) What is the hop count that is used by RIP to indicate an unreachable metric? A) 16 B) 0 C) 15 D) 255

16

10) What is the network address for APIPA? A) 169.254.0.0/16 B) 172.16.0.0/16 C) 192.168.0.0/24 D) 10.0.0.0/8

169.254.0.0/16

20) Which option is NOT a valid representation of the 2001:0000:35d0:0000:5600:abed:e930:0001 address? A) 2001:0000:35d0::5600:abed:e930:0001 B) 2001::35d0:0:56:abed:e930:0001 C) 2001:0:35d0:0:5600:abed:e930:1 D) 2001::35d0:0:5600:abed:e930:1

2001::35d0:0:56:abed:e930:0001

11) You have an IP address with a prefix notation of /27. What is the dotted-decimal form of the subnet mask? A) 255.255.255.0 B) 255.255.255.128 C) 255.255.255.192 D) 255.255.255.224

255.255.255.224

1) How many bits are in an IPv4 address? A) 32 B) 64 C) 128 D) 256

32

2) How many octets are in an IPv4 address? A) 2 B) 4 C) 6 D) 8

4

2) The data rate for a T3 link is ________. A) 45.736 Mbps to 51.84 Mbps B) 44.736 Mbps to 52.84 Mbps C) 44.736 Mbps D) 40 Mbps to 50 Mbps

44.736 Mbps

3) How many bits per octet in an IPv4 address? A) 2 B) 4 C) 6 D) 8

8

17) What is the theoretical maximum downstream speed of ADSL? A) 4 Mbps B) 1.544 Mbps C) 52 Mbps D) 8 Mbps

8 Mbps

6) What is the administrative distance for an internal EIGRP route? A) 1 B) 90 C) 110 D) 170

90

10) Match the type of NAT on the left with the correct definition on the right. NAT IP Address Definition Inside local Inside global Outside local Outside global A public IP address referencing an outside device A public IP address referencing an inside device A private IP address referencing an outside device A private IP address referencing an inside device A) A1 B2 C3 D4 B) A4 B2 C3 D1 C) A3 B2 C4 D1 D) A2 B1 C4 D3

A4 B2 C3 D1

2) What is the purpose of ARP? A) ARP resolves the MAC address to a NetBIOS name. B) ARP resolves an IP address to a hostname. C) ARP locates the default gateway of the network. D) ARP resolves the IP address of a Host to its MAC address.

ARP resolves the IP address of a Host to its MAC address.

3) (True or False The routes on R1 and R2 are directly connected routes.

Answer: TRUE Explanation: Because interfaces are physically attached to each network, they are directly connected.

8) The IP address range of 172.16.0.0 - 172.31.255.255 is what address class? A) A B) B C) C D) D

B

8) Which of the following is an exterior gateway protocol? A) BGP B) RIP C) OSPF D) EIGRP

BGP

15) What factors are used to calculate the OSPF cost? A) Bandwidth, delay B) Bandwidth C) Delay D) Bandwidth, MTU

Bandwidth

16) What factors are used in the calculation of the default EIGRP metric? A) Delay B) Bandwidth C) Bandwidth, delay D) Bandwidth, MTU

Bandwidth, delay

19) Which data flow is not supported by IPv6? A) Broadcast B) Anycast C) Unicast D) Multicast

Broadcast

13) What is the name of the digital modem device that is used to terminate a T1 circuit? A) SmartJack B) Network interface C) CSU/DSU D) ESU

CSU/DSU

17) What symbol can be used to represent a group of consecutive 0s in an IPv6 address? A) Semicolon B) Double semicolon C) Double colon D) Period

Double colon

18) What format can be used to represent the low order 64 bits of an IPv6 address by reformatting a devices MAC address? A) EUI-48 B) IEEE 802.3ar C) IEEE 802.3ab D) EUI-64

Extended Unique Identifier (EUI-64)

1) The following image is an example of what type of WAN connection? A) ISDN network, packet-switched connection B) Frame Relay network, circuit-switched connection C) Frame Relay network, packet-switched connection D) ISDN network, circuit switched connection

Frame Relay network, packet-switched connection

17) Which message type was added with IGMP Version 2? A) Join B) Prune C) Combine D) Leave

Leave

4) At the moment, PC1 cannot reach the Internet. You add a static default route to R1 that sends all traffic to an unknown destination out S1/1. Can a user on PC1 access the Internet? A) Yes, PC1 has Internet access. B) No, packets will not make it past R1. C) No, packets can make it to the Internet, but they will never make it back to PC1. D) No, packets will stop at R2.

No, packets can make it to the Internet, but they will never make it back to PC1.

11) For static NAT to work, how many inside global addresses are needed for inside local addresses? A) One inside global addresses for unlimited inside local addresses B) Two inside global addresses for every inside local address C) Ten inside global addresses for unlimited inside local addresses D) One inside global address for every inside local address

One inside global address for every inside local address

14) What are the two commonly available PPP authentication mechanisms? A) PAP B) RADIUS C) TACACS+ D) CHAP

PAP And CHAP

12) R1 is using both NAT and PAT. What is the purpose of the port numbers in the translation table? A) Basic NAT uses the port numbers to track separate communication flows. B) PAT uses the port numbers to track separate communication flows. C) The port numbers are not used. D) PAT only uses the destination port to track separate communication flows.

PAT uses the port numbers to track separate communication flows.

13) Which of the following is a multicast routing protocol? A) PIM B) IGMP C) IS-IS D) OSPF

PIM

4) A common Layer 2 protocol used on dedicated leased lines is ________. A) PPP B) CHAP C) TCP/IP D) IPsec

PPP

15) What is the name of the protocol that is commonly used to authenticate devices that connect via DSL? A) SLIP B) PPPoE C) PPP D) ROAM

PPPoE

20) Which type of ISDN circuit provides 23 B channels and 1 D channel? A) BRI B) IDSL C) PRI D) SDSL

PRI

6) Which is not a primary feature offered by Link Control Protocol (LCP)? A) Looped-link detection B) Error detection C) Authentication D) Packet detection

Packet detection

10) Which of the following is a common Layer 2 protocol that could run over a dedicated leased line? A) Transmission Control Protocol (TCP) B) Point-to-Point Protocol (PPP) C) Internetwork Packet Exchange/Sequenced Packet Exchange (IPX/SPX) D) Routing Information Protocol (RIP)

Point-to-Point Protocol (PPP)

9) Which of the following is a link-state routing protocol that uses a metric of hops? A) IS-IS B) OSPF C) EIGRP D) RIP

RIP

1) Both PC1 and Server 1 have a default gateway. What is the purpose of a default gateway? A) Block packets B) Forward frames C) Route packets to a different subnet D) Route packets to the same subnet

Route packets to a different subnet

18) Which feature was added with IGMPv3 that allowed a client to specify the joining of a group and a specific source server? A) SSM B) SRM C) SME D) SMJ

SSM

7) What are sections A and B of the IP address? A) Section A are used bits, and Section B are unused bits. B) Section A is the network portion, and Section B is the host portion. C) Section A equals 8 bits, and Section B equals 0 bits. D) Section A equals 255, and Section B are all 0s.

Section A is the network portion, and Section B is the host portion.

19) What is the name of a device that can be connected to a T1 line and can convert frame formats and support remote diagnostics? A) NI B) SmartJack C) CSU/DSU D) BERT

SmartJack

20) Which mode of PIM uses a rendezvous point (RP)? A) Broadcast mode B) Dense mode C) Sparse mode D) Source mode

Sparse mode

7) What are the two methods used to prevent loops in a distance vector routing protocol? A) Split horizon and hold-down timer B) Split horizon and poison reverse C) Poison reverse and hop count D) Split horizon and hop count

Split horizon and poison reverse

12) What are the two different supported frame formats that are used when deploying a T1 leased line? A) Super Frame B) Extended Super Frame C) Multi Frame D) Distributed Frame

Super Frame AND Extended Super Frame

11) (True or False) A service level agreement (SLA) is used to specify the specific performance metrics (for example, available bandwidth and maximum delay) that are guaranteed for a service over a certain percentage of time.

True

15) (True or False) IPv6 no longer supports the ability to fragment packets.

True

7) (True or False) A demarc is the point in a telephone network where the maintenance responsibility passes from a telephone company to the subscriber (unless the subscriber has purchased inside wiring maintenance).

True

9) (True or False) Asynchronous Transfer Mode (ATM), a cell-switched connection technology that uses 53-byte fixed-length cells, is often categorized as a packet-switched connection technology.

True

8) MPLS inserts a 32-bit header between Layer 2 and Layer 3 headers. Because this header is ________ between the Layer 2 and Layer 3 headers, it is sometimes referred to as a(n) ________ header. A) inserted, insert B) added, addon C) inserted, proxy D) shimmed, shim

shimmed, shim