Adriaan is a network engineer designing a new IDF in an old building. He determines the equipment will fit in a two-post rack, and there is power available for this equipment. Which one of the following would be the first issue to remediate?

A cyber attacker executes a man-in-the-middle attack on a company network. Layer 2 traffic destined for the gateway is redirected to the attacker’s computer. This type of attack is an example of:

Sifiso is troubleshooting an end-user connectivity problem. He goes to the appropriate IDF but is unable to identify the appropriate cable due to poor labelling. Which of the following should the Sifiso use to help identify the appropriate cable?

Karabo is a network engineer for NetworkIT Co. She notices the site-to-site VPN and Internet connection have not come back up at a NetworkIT Co. branch office after a recent power outage. Which of the following is an out-of-band method Karabo would most likely make use of to check the branch office’s router status?

Marlize is a graduate network technician for Cable Solutions Co. She recently installed a fiber switch in a datacentre. To run the fibre cabling, Marlize plans the cable route over the top of the rack using the cable trays, down to the switch, coiling up any excess cable. During the time Marlize configures the switch, she notices several messages in the logging buffer stating the receive signal of the SFP is too weak. Which of the following is most likely the cause of the errors in the logging buffer?

Mxolisi, a network engineer, configures a firewall’s ACL to allow outgoing traffic for several popular services such as email and web browsing. However, after the firewall’s deployment, users are still unable to retrieve their emails. Which one of the following would best resolve this issue?

When enabling jumbo frames on a network device, which of the following parameters is being adjusted?

Palesa is a network engineer for a local company. During a certain day, she logs onto a system using Telnet because SSH is unavailable. SSH is enabled on the target device, and access is allowed from all subnets. Palesa discovers a critical step was missed. Which one of the following would allow SSH to function properly?

You have been hired as a network administrator for Network Solutions Co. Which of the following devices should you configure on the outermost part of the network?

Riaan, a network engineer, receives a call from a user who is experiencing network connectivity issues. Riaan questions the user and learns the user brought in a personal wired router to use multiple computers and connect to the network. Which one of the following has the user most likely introduced to the network?

Which of the following is a system of notation that uses base 16 rather than base 10?

Livhuwani, a network engineer, is reviewing the implementation requirements for an upcoming project. The basic requirements identified by the customer include the following: WLAN architecture supporting speeds in excess of 150 Mbps, Clientless remote network access, Port-based network access control. Which one of the following solutions sets properly addresses all of the identified requirements?

Which one of the following is used to classify network data for the purpose of providing QoS?

Which one of the following is the number of broadcast domain that are created when using an unmanaged 12-port switch?

James, a senior network technician has noticed the corporate wireless signal is available in the parking lot. James’s company management requests that the wireless network be changed so it is no longer accessible in public areas, without affecting the availability inside the building. Which one of the following should be changed on the network?

Zolelwa, a network technician, wants to ensure sensitive data is not exfiltrated from the system electronically. Which one of the following should be implemented?

Siyagijima is a local company. Their office network consists of one two-port router connected to a 12-port switch. A four-port hub is also connected to the switch. Which one of the following is the number of collision domains that exist on the Siyagijima network?

Andries is a network technician working for Global Consulting Solutions. On a certain day, Andries was diagnosing a time-out issue generated from an end user’s web browser. The web browser issues standard HTTP get and post commands to interact with the website. Given this data, Andries would like to analyse the entire TCP handshake of the HTTP requests offline. Which one of the following tools would allow Andries to view the handshake?

Which one of the following must be implemented to share metrics between routing protocols within the same router?

A node refers only to a workstation or servers.

A subnetwork or subnet refers to a physical grouping of hosts within a single network.

TCP/IP is an open standard protocol.

A company network exists linking Johannesburg, Pretoria and Durban. This can be referred to as a?

What is the Administrative distance of EIGRP?

The IEEE 802.3z standard specifies 'Gigabit Ethernet' running at 1000 mbps.

On a single channel 802.11n devices can transfer data at a rate of up to 54Mbps.

The IEEE 802.3u standard specifies:

In the Ethernet specification what is the minimum cable length still considered to be viable?

Which one of the following is not an element in the construction of a single optical fibre?

You are the network administrator. You have been asked to set up a separate network in the building which will service the most confidential and valuable data in the company. Security is of the highest importance and cost is only of secondary importance. Which of the following cable type will you use?

The Attenuation is measured in mW (milliwatts)

In the Public Switched Telephone Network which of the following is referred to as a Class 5 office or Central Office?

The BRI class of ISDN provides:

A network adapter’s address is also known as a MAC address. What does MAC stand for?

DHCP stands for?

Which of the following is the default subnet masks for Class A.?

What is the port number for Simple Network Management Protocol?

You wish to use a routing algorithm that is manually defined and needs to be edited if you wish to change any information. Which category of algorithm best describes what you need?

The Domain Name System is operated by?

What cabling faults would a wire map tester detect

A backbone refers to a fast link between 2 other segments on a network.

The first layer of the OSI model is the application layer.

RFC stands for Request for Commitments.

Which of the following can be referred to as a client machine?

Which of the following is not a layer 2 device?

The 802.11a standard transmits at a frequency of 2.4GHz.

A MAC address consists of 32 binary digits.

The entire bandwidth of your transmission media is dedicated to a single transmission path. This is best referred to as:

The longer a signal travels over a cable the more progressively it loses signal strength. This is best described as:

Twisted Pair Cabling uses which type of connector?

Which one of the following best describes Coaxial cable?

Impedence is measured in:

MTRJ connectors are used on multimode networks.

It is possible to send multiple signals over a single fibre using Wavelength Division Multiplexing.

Wave Division Multiplexing is a means of making more use of the bandwidth available in a _____________ network.

ATM uses cell switching technology. A cell is a fixed length packet that contains ____________ of data and _____________ of header information.

PSTN stands for?

Network access points are administered by?

ISDN is a dial-up technology.

Frame relay cannot provide QoS (quality of service).

You enter the IP address manually into your IP settings. This is called a / an _____________ configuration.

The subnet mask is 255.255.248.0. This can be represented in binary as?

Which of the following protocols is used for secure remote access to a network?

What is the primary purpose of a VLAN in a network?

Which of the following is a common method for network address translation?

Which of the following protocols is used to securely access a remote device over an unsecured network?

What is the primary function of a router in a network?

Which layer of the OSI model is responsible for end-to-end communication and error recovery?