What is a socket?
What is a socket? the combination of the source and destination sequence numbers and port numbers the combination of the source and destination sequence and acknowledgment numbers the combination of…
Refer to the exhibit. Host A and the file server have established a TCP session to exchange data. What acknowledgement number will the file server send to host A to acknowledge receipt of the first three segments of data?
Refer to the exhibit. Host A and the file server have established a TCP session to exchange data. What acknowledgement number will the file server send to host A to…
Which two commands could be used to check if DNS name resolution is working properly on a Windows PC? (Choose two.)
Which two commands could be used to check if DNS name resolution is working properly on a Windows PC? (Choose two.) ipconfig /flushdns nbtstat cisco.com nslookup cisco.com net cisco.com ping…
A user reports that the corporate web server cannot be accessed. A technician verifies that the web server can be accessed by its IP address. What are two possible causes of the problem? (Choose two.)
A user reports that the corporate web server cannot be accessed. A technician verifies that the web server can be accessed by its IP address. What are two possible causes…
A DHCP configured PC boots up. What is the order of the messages that are sent and received by this PC in order to obtain an appropriate IP address?
A DHCP configured PC boots up. What is the order of the messages that are sent and received by this PC in order to obtain an appropriate IP address? DHCPDISCOVER,…
What IPv4-related DNS record type is used by a DNS server in response to a host requesting for a web server address via the URL?
What IPv4-related DNS record type is used by a DNS server in response to a host requesting for a web server address via the URL? MX record A record AAAA…
Which three statements describe a DHCP Discover message? (Choose three.)
Which three statements describe a DHCP Discover message? (Choose three.) All hosts receive the message, but only a DHCP server replies. Only the DHCP server receives the message. The message…
Which two tasks can be performed by a local DNS server? (Choose two.)
Which two tasks can be performed by a local DNS server? (Choose two.) mapping name-to-IP addresses for internal hosts providing IP addresses to local hosts forwarding name resolution requests between…
Which DHCP IPv4 message contains the following information?
Which DHCP IPv4 message contains the following information? Destination address: 255.255.255.255 Client IPv4 address: 0.0.0.0 Default gateway address: 0.0.0.0 Subnet mask: 0.0.0.0 DHCPREQUEST DHCPDISCOVER DHCPOFFER DHCPACK Explanation: A client will…
What is the protocol that is used to discover a physical address from a known logical address and what message type does it use?
What is the protocol that is used to discover a physical address from a known logical address and what message type does it use? DNS, unicast PING, broadcast ARP, broadcast…
Refer to the exhibit. When PC1 wants to send a packet to PC3, the IP address of the device that will respond to the ARP request is
Refer to the exhibit. When PC1 wants to send a packet to PC3, the IP address of the device that will respond to the ARP request is 192.168.1.1 192.168.0.1 192.168.0.2…
What are two problems that can be caused by a large number of ARP request and reply messages? (Choose two.)
What are two problems that can be caused by a large number of ARP request and reply messages? (Choose two.) A large number of ARP request and reply messages may…
Refer to the exhibit. What does R1 use as the MAC address of the destination when constructing the frame that will go from R1 to Server B?
Refer to the exhibit. What does R1 use as the MAC address of the destination when constructing the frame that will go from R1 to Server B? The packet is…
Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC3. In this scenario, what will happen next?
Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC3. In this scenario, what will happen next? RT1 will send an ARP…
A user sends an HTTP request to a web server on a remote network. During encapsulation for this request, what information is added to the address field of a frame to indicate the destination?
A user sends an HTTP request to a web server on a remote network. During encapsulation for this request, what information is added to the address field of a frame…
What statement describes the function of the Address Resolution Protocol?
What statement describes the function of the Address Resolution Protocol? * ARP is used to discover the IP address of any host on a different network. ARP is used to…
Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?
Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask? to identify faulty frames to identify the host address of the destination…
Refer to the exhibit. If all devices are using a subnet mask of 255.255.255.0, which laptop would have an IP address with the same network number as the server?
Refer to the exhibit. If all devices are using a subnet mask of 255.255.255.0, which laptop would have an IP address with the same network number as the server? C…
Which two hosts exist on the same subnet? (Choose two.)
Which two hosts exist on the same subnet? (Choose two.) host 172.16.101.199/23 host 172.16.97.78/23 host 172.16.102.237/23 host 172.16.98.250/23 host 172.16.100.4/23 Explanation: Hosts 172.16.100.4/23 and 172.16.101.199/23 both exist in network 172.16.100.0/23.…
What subnet mask would be associated with the IPv4 prefix of /28?
What subnet mask would be associated with the IPv4 prefix of /28? 255.255.255.252 255.255.255.240 255.255.255.224 255.255.255.0 255.255.255.248 Explanation: /28 represents the number of consecutive 1s in the subnet mask. 24…
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