NEW QUESTION 1
TCP is sending data in 5 segments with SEQ numbers 27000, 27500.28000, 28500, and 29000 respectively. During transmission, the segment with SEQ=28500 is dropped in the network. How does TCP handle this situation?

• A. The receiving end station sends an ACK flag with SEQ=28000 to indicate it has received a segment out of orde
• B. The receiving station sends a NACK frame with SEQ=28500 requesting that the frame be retransmitted
• C. Once the reciever's window is ful
• D. TCP assembles the payload and determines that SEQ=28500 is missin
• E. At this point, the reciever sends the RST flag with SEQ=28500 to Request Single Transmission of the missing segmen
• F. TCP will collect the segments and forward them to the application layer where the SEQ numbers will be processed and a retransmit request will occur for the entire packe

Answer: C

NEW QUESTION 2
How does the Transport Layer identify which application is to receive the data?

• A. Using the IP address of the packe
• B. Using the MAC address of the fram
• C. Using port number
• D. Using Connection Identifier Numbers (CIN).

Answer: C

NEW QUESTION 3
Which of the following is a private IP network address reserved by the IANA?

• A. 172.30.0.0/16
• B. 192.100.0.0/24
• C. 172.0.0.0/16
• D. 169.254.0.0/16
• E. 11.0.0.0/8

Answer: A

NEW QUESTION 4
Which of the following is TRUE regarding Ethernet half-duplex transmission?

• A. Half-duplex transmission is less efficient because the frame MTU is smalle
• B. An end-station connected to a hub will always be half-duple
• C. Ethernet switches only support half-duplex transmissio
• D. All of the abov

Answer: B

NEW QUESTION 5
Which of the following Ethernet rates requires an optical cable to operate?

• A. 10 Mb/s Etherne
• B. 100 Mb/s Etherne
• C. 1000 Mb/s Ethernet .
• D. There are copper and optical versions possible for all of these Ethernet data rate

Answer: D

NEW QUESTION 6
What is the sequence of messages sent by a host when it attempts to ping a destination for which it has no Address Resolution Protocol (ARP) cache entry?

• A. ICMP echo request, ARP request, ARP reply, ICMP echo repl
• B. ARP request, ARP reply, ICMP echo request, ICMP echo repl
• C. ICMP echo request, ICMP echo reply, ARP request, ARP repl
• D. ICMP echo request, ARP reply, ARP request, ICMP echo repl

Answer: B

NEW QUESTION 7
(Click the Exhibit Button below)

An Ethernet Local Area Network (LAN) consists of the
following components:
Four 24-port hubs & Two 16-port switches
How many broadcast domains are on this LAN?

• A. 1
• B. 2
• C. 5
• D. 32

Answer: A

NEW QUESTION 8
What information is used to separate VLANs on a VLAN trunk that connects multiple VLANs?

• A. VLAN ta
• B. IP Heade
• C. FC
• D. Priority Valu

Answer: A

NEW QUESTION 9
Which of the following fields is not a field in the TCP header used for the establishment and termination of a TCP connection?

• A. TTL
• B. ACK
• C. FIN
• D. SYN

Answer: A

NEW QUESTION 10
The statement below describes which of the following activities?
"A set of tasks that moves a packet from its entry into an IP network to its exit from the IP network."

• A. IP forwarding
• B. IP decapsulation
• C. IP encapsulation
• D. IP tunneling

Answer: A

NEW QUESTION 11
Based on the network diagram (click the Exhibit Button),

what is the next-hop used on R1 to setup a static route to the network on CR1?

• A. next-hop 10.2.3.2
• B. next-hop 192.168.2.1
• C. next-hop 10.2 3.1
• D. next-hop 192.168.2.0

Answer: C

NEW QUESTION 12
What must occur for a LAG to become operational?

• A. There must be multiple ports assigned to the LA
• B. All ports in the LAG must be configured with the same characteristic
• C. Auto-negotiation must be enabled on all ports in the LA
• D. All of the abov

Answer: B

NEW QUESTION 13
What characteristic of IP addressing creates a hierarchical network?

• A. All hosts on all networks must have unique host number
• B. IP addresses identify a host and the network on which it reside
• C. Clients are assigned 32-bit addresses and servers 64-bit addresse
• D. Router, switch and host addresses are drawn from unique address classe

Answer: B

NEW QUESTION 14
Which of the following statements is FALSE when describing a Virtual Private LAN Service?

• A. A VPLS emulates a virtual switch or bridg
• B. The VPLS performs MAC learning on MAC addresses seen from SAPs and SDP
• C. When a VPLS receives a frame with an unknown MAC destination, the frame will be droppe
• D. MAC addresses are maintained in a MAC address forwarding database (FDB).

Answer: C

NEW QUESTION 15
Host A is transmitting data to host B on a TCP connection. What is the purpose of the ACK sent by host B?

• A. The ACK tells the host A that host B wishes to establish a sessio
• B. The ACK tells host A the sequence number of the segment that was just received by host
• C. The ACK tells host A the sequence number of the next segment that host B expects to se
• D. The ACK is flow control from host B and tells host A to reduce its transmission rat

Answer: C

NEW QUESTION 16
Which of the following command lines would be found in a list of commands designed to permit only certain type of traffic from exiting router RTR-A to router RTR-B?

• A. RTR-A>config>router>if>ingress# filter ip 1
• B. RTR-B>config>router>if>ingress# filter ip 1
• C. RTR-B>config>router>if>egress# filter ip 1
• D. RTR-A>config>router>if>egress# filter ip 1

Answer: D

NEW QUESTION 17
A typical Alcatel-Lucent 7750 SR Media Dependent Adapter (MDA) interfaces with:

• A. A Small Form-Factor Pluggable (SFP) modul
• B. The Central Processing Unit (CPU).
• C. The Control Plan
• D. The Switch Fabri

Answer: A

NEW QUESTION 18
Which of the following type of addressing scheme delivers information from one source to all devices who are members of a specific group?

• A. Anycas
• B. Multicas
• C. Broadcas
• D. Unicas

Answer: B

NEW QUESTION 19
Which of the following statements is TRUE regarding IP addressing?

• A. Classful IP addressing provides hierarchy based on variable subnet mask
• B. Classless IP addresses provide hierarchy based on a variable length subnet mas
• C. Classless IP addresses provide hierarchy based on fixed subnet masks of /24./16 and/8.
• D. IP addresses provide hierarchy based on the country code and regional identifie

Answer: B