"A company uses smartcards with Personal Identification Numbers (PINs) as a two-step authentication process to access the network. This is an example of which of the following network authentication methods?", "Public key authentication<br /> [Public key authentication is a network authentication method that can be configured to use a smartcard and PIN. The user's private key can be configured with a passphrase that must be input to access the key, providing an additional measure of protection compared to host-based authentication.]" "Which device can divide ports into Virtual Local Area Networks (VLANs)?", "Managed Switch<br /> [A managed switch will work as an unmanaged switch out-of-the-box but an administrator can connect to it over a management port, configure security settings, and then choose options for the switch's more advanced functionality, such as configuring VLANs.]" "Which of the following authentication methods allows for Single Sign On (SSO) on a network?", "Kerberos<br /> [Kerberos allows Single Sign On (SSO) on a network that runs the Kerberos authentication protocol. Windows Active Directory domain networks use Kerberos.]" "You need to configure a SOHO (Small Office Home Office) network to provide Internet Protocol (IP) Addresses only to devices allowed on the network. You have configured a list of devices that are allowed to access the network. Which feature should be enabled?", "MAC (Media Access Control) Filtering<br /> [MAC (Media Access Control) Filtering refers to a security access control method whereby the MAC address, unique to each network card, is used to determine access to the network. IP addresses are assigned to network devices.]" "Which type of server uses a distributed database that contains information on domains and hosts within those domains?", "DNS server<br /> [Domain Name System (DNS) servers allow users to access resources using host names and Fully Qualified Domain Names (FQDN) by resolving those names to IP addresses. It uses a distributed database that contains information on domains and hosts within those domains.]" "Which device limits network broadcasts and segments Internet Protocol (IP) address ranges?", "Router<br /> [Routers are devices designed to filter and transfer data packets between dissimilar types of computer networks by assigning a local Internet Protocol (IP) address to each of the devices.]" "Which device can move data from an internal network, across the Internet, and to another network?", "Router<br /> [A router is responsible for moving data around a network of networks, known as an internetwork or internet.]" "A switch connects nodes together in a single network, establishing a virtual circuit between any two network nodes. How does the switch perform this function?", "It receives frames into a port buffer and reads the destination MAC address from the Ethernet frame." "You need to configure a SOHO (Small Office Home Office) network to be easily discovered by guest users. Which feature should be configured?", "SSID (Service Set Identifier)<br /> [SSID (Service Set Identifier) is used to uniquely identify any given wireless network by giving it a name. It distinguishes one wireless network from another, for example, a guest network.]" "Which device provides microsegmentation without requiring any sort of configuration?", "Unmanaged switch<br /> [An unmanaged switch performs the microsegmentation function without requiring any sort of configuration. You just power it on, connect some hosts to it, and it works without any more intervention.]" "What is the primary purpose of a Dynamic Host Configuration Protocol (DHCP) server?", "Maintaining a pool of IP addresses and leasing these to network devices.<br /> [The DHCP server maintains a pool of IP addresses and leases an address to any DHCP-enabled client when it starts up on the network. IP addresses no longer in use are automatically returned to the pool for reallocation.]"
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