Networking certification test with correct answers 100% 2025

Networking certification test with correct answers 100% 2025 The default subnet mask for a class b network is - Correct Answers 255.255.0.0 the default port used for SMTP is - Correct Answers 25 the ping tool is used to - Correct Answers self test a hosts own network interface and determine whether a host is reachable Which of the following are features of DHCP - Correct Answers Address reservation and IP address exculsion The command line tool used to list a host's active incoming connections is - Correct Answers NETSTAT A computer has an IP address of 169.254.0.1 cannot access the network.Which of the following services should you confirm is available? - Correct Answers DHCP Which network does the IP address 220.100.100.100 belong to? - Correct Answers 220.100.100.0/24 Which subnet mask is vaild - Correct Answers 255.255.255.240 A service that resolves NetBIOS names to IP addresses is: - Correct Answers Windows Internet Name service (WINS) What type of DNS Record maps host names to addresses? - Correct Answers Host (A) DNS record Teredo tunneling is a protocol that - Correct Answers allows IPv6 connectivity through IPv4 devices What is the default subnet mask for a class C internet network - Correct Answers 255.255.255.0 The default port used for telnet is - Correct Answers 23 When a clients DHCP-issued address expires, the client will - Correct Answers attempt to obtain a new address by broadcasting You ping a server by using fully qualified domain name (FQDN) and not receive a response. You then ping the same server by using its IP address and receive a response. Why do you receive a response on the second attempt but not the first - Correct Answers The DNS is not resolving A Media access control address identifies a - Correct Answers network interface card two companies want to share data by using the internet. Which type of network provides the solution - Correct Answers Extranet VPNs are implemented to provide - Correct Answers a secure connection through public networks If an 802.11g internet connection has connectivity problems what may be the cause? - Correct Answers Electromagnetic interference (EMI) Which of these factors have the biggest impact on data transmission speed in a wireless network? - Correct Answers The transmission standard of the equipment used which of the following uses a tunneling protocol - Correct Answers VPN A network that separates an organization private network from a public network - Correct Answers Perimeter Which type of network is most vulnerable to intrusion - Correct Answers wireless Attenuation in a wireless network signal is a result of: - Correct Answers Distance form the access point Which type of network covers the broadcast area - Correct Answers WAN In local area network topologies, the primary media access methods are - Correct Answers contention and token passing in a physical star topology, the central device is referred to as a - Correct Answers hub Which technology can you use to extend an internal network across shared or public networks - Correct Answers VPN Which two are published IEE 802.11 wireless transmission standards - Correct Answers 802.11g and 802.11n What happens when an 802.11b node starts broadcasting within the range of an 802.11g access point? - Correct Answers a connection will be established Which technology provides the highest bit rate? - Correct Answers DS3 A VPN is a - Correct Answers encrypted connection across the internet