NEW QUESTION 1
Given the following (Network address: 208.40.224.0, Network prefix: /28.) What is the address range, including the network and broadcast addresses, for the fourth sub-network?

• A. 208.40.224.0 208.40.224.255
• B. 208.40.4.0 208.40.4.255
• C. 208.40.224.16 208.40.224.31
• D. 208.40.224.48 208.40.224.63
• E. 208.40.227.0 - 208.40.224.255

Answer: D

NEW QUESTION 2
What happens in a TCP session if a segment is not acknowledged within a certain time period?

• A. The missing segment is retransmitte
• B. The TCP session is terminate
• C. The sender sends the next segmen
• D. An ICMP destination unreachable message is sen

Answer: A

NEW QUESTION 3
What is NOT a function ofthe IOM?

• A. It forwards the data to the switch fabri
• B. It discards excess data packet
• C. It converts the incoming data to an internal forma
• D. It performs Quality of Service operations and buffers incoming dat

Answer: C

NEW QUESTION 4
Which of the following best describes an autonomous system?

• A. An autonomous system is a network or group of networks operating under one administrative authorit
• B. An autonomous system is another term for the collection of routers that make up the Internet
• C. An autonomous system is a network or group of networks from many organizations running different IGP routing protocols, but all running BG
• D. An autonomous system is a loosely defined term that can refer to any organization that has a connection to the Interne

Answer: A

NEW QUESTION 5
Given a network address of 116.14.0.0, which of the following is a valid host address when using the subnet mask 255.255.255.240?

• A. 116.14.17.16
• B. 116.14.17.31
• C. 116.14.17.192
• D. 116.14.17.189

Answer: D

NEW QUESTION 6
Which of the following is characteristic of a static route?

• A. Responds in real time to network failure
• B. Can only be used for routing within an autonomous syste
• C. Uses a hop-count metric to determine the best route to a networ
• D. Explicitly defines the next hop based on operator inpu

Answer: D

NEW QUESTION 7
How does a VPRN service avoid the problem overlapping IP addresses from different customers?

• A. You cannot have overlapping IP addresse
• B. The service provider must ensure that its customers are all using discrete IP address spac
• C. Each VPRN service maintains a separate VPN routing and forwarding instance to separate customer routing informatio
• D. A VPRN will ignore IP addressing information and use MAC addressing instead which are always uniqu
• E. A VPRN will translate customer IP addresses to a private addressing scheme administered by the service provide

Answer: B

NEW QUESTION 8
Which of the following are considered Virtual Private Networks? Choose all that apply.

• A. IES
• B. VPWS
• C. VPLS
• D. VPRN

Answer: BCD

NEW QUESTION 9
The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will be obtained with this mask?

• A. 4 subnets, 64 hosts
• B. 64 subnets, 4 hosts
• C. 4 subnets, 62 hosts
• D. 64 subnets, 2 hosts
• E. 6 subnets, 30 hosts

Answer: C

NEW QUESTION 10
What capability of TCP/IP allows two hosts to have multiple TCP sessions to each other simultaneously?

• A. The combination of IP source and destination address and TCP source and destination port uniquely identifies each sessio
• B. The combination of IP source and destination address and the IP protocol field uniquely identifies each sessio
• C. The hosts can identify the sessions using each others MAC addresse
• D. Two hosts can not have multiple TCP sessions simultaneousl

Answer: A

NEW QUESTION 11
Which of the following applications would be likely to use UDP?

• A. Real-time audio application, such as VoIP
• B. Web browser
• C. Email application
• D. Telnet

Answer: A

NEW QUESTION 12
Which of the following are FALSE statements about the OSPF routing protocol? Choose two.

• A. OSPF is a link state protocol with fast convergenc
• B. OSPF supports hierarchy with multiple area
• C. The default metric for OSPF is hop coun
• D. OSPF does not support VLS
• E. OSPF supports neighbor authenticatio

Answer: CD

NEW QUESTION 13
What is the purpose of the source and destination ports in the TCP header?

• A. These ports identify the physical location of the sender and the receiver on the IP route
• B. These ports are used as addresses to communicate with the IP laye
• C. TCP does not use source or destination port
• D. These ports are used as an address to identify the upper layer application using the TCP connectio

Answer: D

NEW QUESTION 14
What is the purpose of the broadcast address?

• A. Provides an address that refers to all the devices in a given networ
• B. Provides an address to refer to a specific group of devices in a given networ
• C. Provides an address to refer to a group of devices having the same IP addresses in different Layer 2 network
• D. Provides an address to refer to a single device on a given networ

Answer: A

NEW QUESTION 15
As described by the CSMA/CD algorithm, what is the first thing to happen when Host A and Host B begin transmitting data at the same time?

• A. Host A and B will generate a jam signa
• B. Listening hosts will request retransmissio
• C. Host A or B will retry the transmissio
• D. A back-off timer is started by Host A or

Answer: A

NEW QUESTION 16
What is the meaning of carrier sense in the CSMA/CD algorithm?

• A. The host will retransmit the frame if it detects a collision during transmissio
• B. The host is able to detect the transmission speed of the Ethernet switch port to which the host is connecte
• C. The host will only transmit data when it detects that no other devices are transmittin
• D. The host will only transmit upon a timer expir
• E. The host will only transmit when it receives the toke

Answer: C

NEW QUESTION 17
Which of the following statements is TRUE about ICMP?

• A. An IP datagram is encapsulated within an ICMP heade
• B. ICMP messages can only be generated by router
• C. ICMP messages are encapsulated within an IP datagra
• D. ICMP guarantees delivery of a messag

Answer: C

NEW QUESTION 18
What bit pattern identifies the network address in the subnet mask?

• A. A string of 1s
• B. A string of 0s
• C. A string of alternating 10s
• D. There is no specific bit pattern to identify the network addres

Answer: A

NEW QUESTION 19
From the CE perspective, how does a VPLS operate?

• A. A VPLS operates as if 2 sites are directly connected by a single cabl
• B. A VPLS operates as if multiple sites are connected through a single switched LA
• C. A VPLS operates as ifmultiplesites are connected through a single route
• D. A VPLSoperatesas if multiple sites are connected through a series of private point-to-point routed connection

Answer: B