Computer Network Questions and Answers September 08, 2022

A private network uses a NAPT device at public IP address 143.231.15.10 The computers in the network use addresses of the form 192.168.1.x/24. Suppose that computer inside the NATed network sends a request with Source address: 192.168.1.6 Source port: 433 Destination address: 111.33.45.50

Select words/phrases from the dropdown menus to define the process of sending a message from host A to host D in the diagram below. Each phrase may be used zero or more times. Description of Network Diagram: Subnet #1 has the network address 198.137.25.0 / 24. Host A, Host B, and NIC #1 of Router A are connected to Subnet #1. Host A: 198.137.25.2

198.137.25.024 Network Address B IP 198.137.25.2 MAC 223344556677 NIC 1 RouterA NIC 2 IP 198.137.25.3 MAC 334455667788 IP 223.87.156.3 MAC 66778899AABB 223.87.156.024 Network Address NIC 3 D IP 223.87.156.4 MAC 778899AABBCC IP 117.205.66.21 MAC 99AABBCCDDEE RouterB NIC 4 117.205.0.016 Network Address IP 117.205.31.195 MAC AABBCCDDEEFF T

Given the following byte stuffing scheme Special Characters Character in data Character sent soh eot esc Character soh eot esc Character to Hex Code x esc x y Z esc y esc z Hex code 01h 04h 1Bh 78h 79h 7Ah Note soh and eot are the framing characters. DATA 79h 7Ah 01h 04h If byte stuffing is used to transmit Data, what is the byte sequence of the

When a client process and a server process are created, these processes communicate with each other by reading from, and writing to a.An input data b.An output data c.A program d.A protocol e.A system

All of the following are true of Internet Protocol (IP), except: a. to send messages using IP, higher-layer data must be encapsulated into IP datagrams. b. encapsulated datagrams are sent to the Data Link Layer, where they are further encapsulated into frames. c. on the Network Layer, IP puts Transport Layer messages, including the headers and

A Dynamic Host Configuration Protocol (DHCP) server appears on the network without system administrator approval or control. What is the most likely issue causing this problem? a. The network is connecting to the wrong primary and secondary domain name servers. b. A hacker has installed a DHCP server on the network with conflicting or nonallocated

Arturo is a network engineer. He is troubleshooting a routing problem and wants to verify that the return packet is reaching the source. What should he do? a. Debug the Internet Control Message Protocol (ICMP) on both source and destination routers. b. Debug the Internet Control Message Protocol (ICMP) on the destination router. c. Run a show IP

An FSCJ faculty member is in their office and sending a print job to a networked copier. The copier is on a different network. Which piece of IP addressing information allows the faculty computer to reach the copier that is on a different network? IPv4 or IPv6 address DNS server IP address Default gateway Subnet mask

Which tool is used to securely attach a connector to the end of a LAN cable used to connect a PC to the network? Toner probe Crimper Wire stripper Pliers

A gamer has configured his wireless router for the Call of Duty: WWII game that allows a range of port numbers to be used for that game. Which wireless configuration option will the gamer have to adjust and how?Explain

Which command would list the IP Address, MAC Address, and DNS Server for your computer? A. Ipconfig /all B. ipconfig /complete C. Ipconfig /show-list D. ipconfig /? E. ipconfig /h

Which command would show the inbound and outbound TCP/IP connections for your computer? A. ARP B. RARP C. netstat D. nbtstat E. A and B

Explain that what type of often-changing keys prevent a wireless client on a wireless network from reading ongoing plaintext transmissions of other wireless clients on the same wireless network?

A hospital wants to connect its on-premises network to a new Amazon VPC and migrate all medical records to Amazon RDS DB instances hosted in the VPC. As they decide which network connection to implement, they want to consider the following factors: The hospital's network has newly added fiber optic cable. The VPC needs to be available at all

If you want to build a sandbox testing environment to isolate virtual network traffic with which virtual switch should the VM be connected? a. An external virtual switch b. A Hyper-V switch c. A private virtual switch d. An internal virtual switch

A Windows client has an IPv4 address 172.31.0.101 configured on its network interface. After successfully connecting with a VPN server that is configured to use an address range of 10.99.0.2 to 10.99.0.10, what client IP address would the Windows machine receive on its VPN connection? a. 10.99.0.1 b. 172.31.0.101 c. 172.31.0.102 d. 10.99.0.2

You configured devices to send SNMP traps to NPM, but do not see the messages in the Orion Web Console. You verified that the firewall ports are open and the devices are correctly configured. What can you verify to troubleshoot the cause?Explain

Configure the BranchVPN2 server as a VPN server as follows: Configure as a Remote access VPN. Set the VPN Connection to use the Public network interface. Assign IP addresses in the 192.168.100.100 to 192.168.100.150 range. Use Routing and Remote Access to authenticate connection requests.

Chris is deploying a gigabit Ethernet network using Category 6 cable between two buildings. What is the maximum distance he can run the cable according to the Category 6 standard?

Drag the protocol to its description. Relaunch to update Desktop - Antoinet...Book Pro MY LIBRARY Certify IMG_0030.CR2 B Protocol UDP TeD DNS ARP ITEM LIST Description A. Performs translations between MAC addresses and IP addresses B. Performs translations between FQDNs and IP addresses C. Transports data over a network in a connectionless fashion

A network engineer is tracing network routes and counting network hops. The engineers ping packet passes through a total of 3 switches and two routers before reaching its target. Determine how many network hops the packet has taken. The TTL is set to 64. A.3

What are the 3 criteria used to determine the router-id? (Choose all that apply) a. If no loopback is configured choose the highest IPv4 address of it physical interface b. If the router-id is not manually configured choose the highest IPv4 address of its loopback interface c. If no loopback is configured choose the lowest IPv4 address of it

A network engineer has configured a network with a tiered mesh topology with multiple redundant links, causing an entire switch segment to become unusable until being reset. What layer 2 protocol packages data into bridge protocol data unit (BPDU) multicast frames and routes based on a ranked hierarchy of switches in order to prevent loops?

A network cabling installer is inspecting existing cabling in an older building on behalf of a local ISP. The cabling connects several branches of 10BASE-T Ethernet to a newer 100BASE-TX trunk. What protocol does the Fast Ethernet standard use that encodes service capabilities into a 16-bit data packet broadcast that allows legacy hosts to choose

A magazine editor has hired a team of network consultants to install and configure a new network. The network will be a tiered switching network with several VLAN trunks. The editor owns a particular device that is able to access all employee VLANs. Decide where the editor's device should be connected in order to access multiple VLANs. A.Trunk

A network is segmented into separate VLANs that are assigned to ports on a managed switch. Users are reporting that network access is down in all of the VLAN segments but one. The network administrator surmises that the main server assigning IP addresses is in the working VLAN and the other VLANs are having issues accessing it, as each VLAN is in

A network consultant is considering potential upgrades for a network that utilizes an edge router that connects to a layer 2 switch, which has ports sub interfaced into multiple VLANs per port. Suggest an upgrade that will increase the efficiency of routing between VLANs by mapping IP addresses to MAC addresses for hardware forwarding. A.Replace

A O B O Cat 5 and Cat 6 Cat 5e and Cat 6 C O Cat 4e and Cat 5e D O Cat 6 and Cat 7 Sally is wiring a gigabit Ethernet network. What cabling choices should she make to ensure she can use her network at the full 1000 Mbps she wants to provide to her users?

As an application's message travels through a path on a network a. What information is added to an application's message to make it a segment? b. What is added to a segment to make it a datagram? c. What is added to a datagram to make it a frame?

Consider a network of 8 routers connected together to provide more than one path of connectivity between host A and host B at two different locations. In order for these routers to understand the various available paths in the network, they are all running a link state routing protocol. What statement is true about this configuration: a. The

Which mechanism used by the Routing Information Protocol (RIP) prevents a router from advertising a route back out through the same interface from which the route was learned? Split Horizon Triggered Updates Route Poisoning Hold Down Timers

In a star network topology, which potential issue can arise due to all data communications passing through a central switch, hub, or concentrator? Difficulty in managing the network Performance bottleneck or single point of failure Increased complexity in setting up the network Limited network size

A network engineer is planning to deploy a network management system (NMS) to monitor a network.Which two UDP ports should be enabled in router access control lists and firewalls so the NMS can effectively monitor devices?and why ?Explain

What is the purpose of using a UDP ping scan in network security? a. The purpose of using a UDP ping scan in network security is to block unauthorized access to a network. b. The purpose of using a UDP ping scan in network security is to identify live hosts on a network by sending UDP packets to specific ports and waiting for responses. It can be

You need to resolve an issue caused by misconfigured user-defined routes in an Azure virtual network. The solution must minimize administrative effort. Which Azure Network Watcher tool should you use?and why ?Explain

You have an Azure subscription. You create a route table named Route1 and add several routes to Route1. To which Azure resource can you associate Route1? Subnet Virtual network Virtual network gateway Virtual network interface

The ___ layer is used to determine how data packets will interact with receiving devices, including file transfers and email services. Layer 1, network access Layer 2, internet Layer 3, transport Layer 4, application

Which 3 of the following types of traffic are load balanced by two Sophos Firewalls configured in active-active mode? VPN traffic VLAN traffic TCP traffic ICMP traffic SNA Traffic TCP traffic UDP traffic

The snack machine can only vend where there are snacks (across locations 1, 3, 6, and 7). Snack slots 2, 4 and 5 are currently empty and the venting machine will not work if these locations are selected. The snack machine will vend if L 0, 1, 3, 6, or 7, T 0, 1, 3, 6, or 7, and L T. Any other combination of L and T values will result in a

Complete the space in binary notation , decimal notation , CIDR notation and # of Host (2^n-2)

66 Binary Notation 11111111.11111111.11111111.00000000 11111111.00000000.00000000.00000000 11111111.11111111.11111111.10000000 Decimal Notation 255.255.255.0 255.255.255.128 CIDR Notation 24 22 16 of Hosts (2n)2 282254

What are the steps involved in the three-way handshake process in TCP communications? a. The steps involved in the three-way handshake process in TCP communications are: 1) The client sends an ACK packet to the server, 2) The server responds with a SYN packet, and 3) The client sends a FIN packet to the server. b. The steps involved in the

This part of the project requires you to research all the components you will need in order to build a Gaming PC within a budget. You will need to create a report recording all specs and pricing of each component that is required along with where you found the information. Mr. Ross loves computer games, but does not have the time to build himself

What is the definition of an OSPF link? Two routers participating in OSPF routing Two routers that share the same area ID Routed interface added to the OSPF process Two routers that share the same AS number

Use Packet Tracer to simulate the reconfiguration of devices in a reference network. To complete this activity, Revise an existing network by modifying IP addresses (both static and dynamic addressing) and configuring network services to ensure the new network meets the given requirements.How it will work ?Explain

Configure GigabitEthernet 0/1 and GigabitEthernet 0/2 as trunk ports with Dot1Q encapsulation. Configure VLAN 2 with an IP address of 192.168.2.1 and subnet mask of 255.255.255.0. Configure VLAN 4 with an IP address of 192.168.4.1 and subnet mask of 255.255.255.0.

You have just graduated and have successfully landed your first job as a Jr. Systems Administrator for a company that just opened in Kitchener, Ontario. You have been assigned the following tasks below: Required virtual machines: 1 x Windows Server (standard resources) 1 x Windows 10 Pro 1. Deploy Windows Server (No screenshots required) with all

The following diagram shows the topology of a corporate network consisting of three buildings. Each building contains a number of PCs and a switched LAN. Two buildings are connected to a core router, which is connected to a Gateway router. A remote site (Building 3) is connected to a remote site router that is connected separately to the Gateway

Building 2 PC Building 2 PC2 Building 3 PC2 Building 2 Sch Building 3 PC1 Buding 3 Switch Core Router Building 1 Building 2 Building 3 Building PC1 Building 1 PC2 Buildg 1 Switch 132 IP addresses 250 IP addresses 254 IP addresses Gateway Router Remote Site Router The following list include IP address space requirement for each building (hosts and

You are a systems administrator for Helios Health Insurance. Pat Smith, a user in the finance department, has been promoted to human resource (HR) manager, and you are tasked with changing permissions for Pat's new role. Your internal Helios network is Windows-based, and each department's folders are located on the network S drive. You will change

A computer system has a page size of 1,024 bytes and maintains the page table for each process in main memory. The overhead required for doing a lookup in the page table is 500 ns. To reduce this overhead, the computer has a TLB that caches 32 virtual pages to physical frame mappings. A TLB lookup requires 100ns. 1. What TLB hitrate is required to

A direct mapped cache has 64 cache lines. Each cache line consists of 4 words, and each word is four bytes. The address bus consists of 32 bits. How many bits are required for the tag, index and offset in this directmapped cache (0.25 marks)

Platinum and gold are completely soluble in both the liquid solid states. The following table gives the solidification temperatures for the different alloy composition. Alloy Wt. of Au Solidification beginning temperature. Solidification ending temperature 0 1750 1750 20 1690 1530 40 1580 1360 60 1470 1250 80 1310 1170 100 1150 1150 Draw the

The structure shown in Figure 2 was modelled using three plane strain triangular shaped elements. The loading and corresponding boundary conditions are shown together with the relevant material properties provided. The nodal coordinates are in mm. 1000N 1, (0,10) (1) 3, (0,0) 2, (10,10) (2) SOON (3) 4,( 10,0) 5, (20,0) X Poissons ratio, v 0.3

In the perceptron shown below weights are given as w1.5, w1, w1 and the activation function (A) is the step function A(x)1 if x0, A(x)0 if x0. What is the truth table of this perceptron Which logic gate does this perceptron represent Xo 1 X1 X2 W1 WO W2 A

You have an Azure subscription that contains a virtual network named VNET1. VNET1 uses the following address spaces: 10.10.1.0/24 10.10.2.0/28 VNET1 contains the following subnets: Subnet1- has an address space of 10.10.1.0/24 Subnet2- has an address space of 10.10.2.0/28 To Subnet1, you deploy a virtual machine named VM1 that runs Windows

a) What is the maximum lift b) Considering both dwells together, what is the total angle of cam rotation in the dwell periods c) If the cam rotates at 30 rpm, how much time does it take to complete the Rise (,H K Cam profile Base circle m S6 TO 1 2 M D 5 3 4 41 3 2 5 NP 6 le c B b 30 60 la 10 60 Figure scale 11

Determine the x and ycoordinates of the centroid of the shaded area. 5 3 y 4 2 6 4

A metal rod is attached horizontally to a large tank at a temperature of 2000C. The rod has 1 cm diameter, 30 cm length and thermal conductivity of 65 WmK. The rod dissipates heat by convection into the ambient air at 200C with heat transfer coefficient of 15 Wm2K. What is the temperature of the rod at 10 cm and 20 cm from the tank Assuming the

(1) 200 mm 40mm 30 mm (2) 400 mm 2 mm gap,At a temperature of 20c, a 2 mm. gap exists between the ends of the two bars shown in Fig. Bar (1) is an aluminum alloy E 70 GPa, v 0.32, a 12.5 x 106C bar with a width of 40 mm. and a thickness of 10 mm. Bar (2) is a stainless steel E 200 GPa, v 0.12, a 9.6 x 106C bar with a width of 30 mm and a

A steel beam is supported and loaded as shown in figure 2. The relevant second moments of area such that 1(a)21(b)3x105m and the Youngs modulus E for the beam material 200x10 Pa. Using the displacement based finite element method and representing each member by a simple beam element (i) Determine the nodal displacements (ii) Determine the nodal

In a wellknown test machine, the fourball machine, an upper steel ball is loaded and rotated against three lower balls so that the four form a closepacked tetrahedron. The whole system is immersed in lubricant. The balls are normally 535A99 steel, with E 210 GPa, Poissons ratio, v 0.3 diameter 0.0254 m. a) b) c) If the lubricant is gear oil,

A 3phase 11kV star connected alternator has armature resistance of 1 ohmsphase and a synchronous reactance of 20 ohmsphase. Calculate the regulation for a load of 1500kW at P.F of (1) 0.8 lagging (ii) unity (iii) 0.8 leading. Draw a sketch of synchronous generator and name the main parts of it and describe the working principal of synchronous

Karim Ali works as a production engineer. He has conducted a work sampling study at the production line for 6 consecutive days. Table Q1 show the details of work sampling assessment that have conducted by Karim Ali. (a) (b) Based on Table Q1, evaluate the situation and recommend standard time for the production line. (7 marks) Other than work

The reinforcement steel consists of 5 bars with each having a diameter of Ic.df mm. Take pb0.4af. 4ab.ed mm A 2ge fa mm a) Determine the failure type of RC rectangular beam b) Calculate the ultimate moment capacity (Mr) 3cfg mm C165420 Yme 1.5 Yms 1.15