HP HPE6-A90 Exam Dumps<\/b><\/a> and Practice Test Dumps<\/b><\/p>\n <\/p>\n
Question: 301. Which protocol provides secure file transfer functionality over an SSH connection?<\/b><\/p>\n\n- <\/b> FTP<\/span>
\n<\/span>2.<\/b> TFTP<\/span>
\n<\/span>3.<\/b> SFTP<\/span>
\n<\/span>4.<\/b> SMTP<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 3. SFTP<\/span><\/p>\nExplanation:<\/b><\/p>\n
SFTP, or SSH File Transfer Protocol, provides secure file transfers through an encrypted SSH session. Unlike traditional FTP, which normally transmits credentials and data without encryption, SFTP protects the communication using SSH encryption. It is commonly used when network administrators need to securely upload, download, or manage files on remote systems. TFTP is a lightweight file-transfer protocol that does not provide comparable security, while SMTP is used for email transmission. Therefore, SFTP is the appropriate protocol when secure file transfer is required.<\/span><\/p>\nQuestion: 302. What does a switch normally do when it receives an Ethernet frame with an unknown destination MAC address?<\/b><\/p>\n\n- <\/b> Drops the frame immediately<\/span>
\n<\/span>2.<\/b> Floods the frame within the appropriate VLAN<\/span>
\n<\/span>3.<\/b> Sends the frame only to the default gateway<\/span>
\n<\/span>4.<\/b> Converts the frame into an IP packet<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 2. Floods the frame within the appropriate VLAN<\/span><\/p>\nExplanation:<\/b><\/p>\n
When a switch receives a frame destined for a MAC address that is not currently present in its MAC address table, it treats the destination as unknown. The switch normally floods the frame out the applicable ports within the same VLAN, excluding the port on which the frame was received. This allows the intended device to receive the frame and respond. Once the switch learns the destination MAC address from subsequent traffic, it can forward future frames directly to the appropriate port instead of flooding them.<\/span><\/p>\nQuestion: 303. Which protocol is commonly used to automatically provide IPv6 configuration information to hosts?<\/b><\/p>\n\n- <\/b> DHCPv6<\/span>
\n<\/span>2.<\/b> FTP<\/span>
\n<\/span>3.<\/b> SNMP<\/span>
\n<\/span>4.<\/b> ARP<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 1. DHCPv6<\/span><\/p>\nExplanation:<\/b><\/p>\n
DHCPv6 is designed to provide IPv6 configuration information to clients. Depending on the network design, it can supply information such as IPv6 addresses, DNS server information, and other configuration parameters. IPv6 hosts can also use Stateless Address Autoconfiguration (SLAAC), but DHCPv6 is specifically used when DHCP-based configuration services are required. ARP is associated with IPv4 address resolution and is replaced by Neighbor Discovery mechanisms in IPv6. FTP and SNMP serve entirely different purposes.<\/span><\/p>\nQuestion: 304. What is a primary purpose of network segmentation?<\/b><\/p>\n\n- <\/b> Increase monitor brightness<\/span>
\n<\/span>2.<\/b> Replace all routing protocols<\/span>
\n<\/span>3.<\/b> Eliminate the need for IP addresses<\/span>
\n<\/span>4.<\/b> Separate users, systems, or services into logical security zones<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 4. Separate users, systems, or services into logical security zones<\/span><\/p>\nExplanation:<\/b><\/p>\n
Network segmentation divides a network into separate logical or physical sections. This can be accomplished using technologies such as VLANs, routing, firewalls, and access-control policies. Segmentation can limit unnecessary communication between systems, reduce the scope of certain security incidents, and provide better control over traffic flows. For example, servers, employee devices, guest devices, and management systems can be placed into separate network segments. Segmentation does not eliminate IP addressing or routing; instead, it provides a structured way to control how different network areas communicate.<\/span><\/p>\nQuestion: 305. In an IEEE 802.1Q Ethernet frame, what identifies the VLAN associated with the frame?<\/b><\/p>\n\n- <\/b> VLAN ID<\/span>
\n<\/span>2.<\/b> Destination IP address<\/span>
\n<\/span>3.<\/b> Source TCP port<\/span>
\n<\/span>4.<\/b> DNS record<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 1. VLAN ID<\/span><\/p>\nExplanation:<\/b><\/p>\n
The VLAN Identifier, or VLAN ID, is contained within the IEEE 802.1Q VLAN tag. It identifies the VLAN to which the Ethernet frame belongs. This tagging mechanism allows multiple VLANs to traverse a trunk link while keeping their traffic logically separated. The destination IP address is a Layer 3 addressing field and does not identify the VLAN directly. TCP ports identify applications or services, while DNS records provide name-resolution information. Therefore, the VLAN ID is the field used to identify the associated VLAN.<\/span><\/p>\nQuestion: 306. Which wireless security technology is considered obsolete because of significant security weaknesses?<\/b><\/p>\n\n- <\/b> WPA3<\/span>
\n<\/span>2.<\/b> WPA2<\/span>
\n<\/span>3.<\/b> 802.1X<\/span>
\n<\/span>4.<\/b> WEP<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 4. WEP<\/span><\/p>\nExplanation:<\/b><\/p>\n
WEP, or Wired Equivalent Privacy, is an outdated wireless security technology with serious cryptographic weaknesses. Its design allows attackers to recover encryption keys under certain conditions, making it unsuitable for modern secure wireless networks. WPA and WPA2 introduced stronger security mechanisms, while WPA3 provides newer protections. Although WPA2 should also be configured carefully, WEP is particularly notable as an obsolete and insecure wireless security mechanism. Modern wireless deployments should use contemporary security standards and strong authentication rather than relying on WEP.<\/span><\/p>\nQuestion: 307. Which network component or data structure determines the path used to forward an IP packet?<\/b><\/p>\n\n- <\/b> MAC address table<\/span>
\n<\/span>2.<\/b> Routing table<\/span>
\n<\/span>3.<\/b> ARP cache only<\/span>
\n<\/span>4.<\/b> DNS zone<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 2. Routing table<\/span><\/p>\nExplanation:<\/b><\/p>\n
A routing table contains information that helps a Layer 3 device determine where IP packets should be forwarded. Entries can identify destination networks, next-hop addresses, outgoing interfaces, and route metrics. When a router receives a packet, it examines the destination IP address and performs a routing-table lookup to select an appropriate route. A MAC address table is primarily used by switches for Layer 2 forwarding, while DNS resolves names to addresses. The ARP cache assists with IPv4 next-hop resolution but does not itself determine the complete IP forwarding path.<\/span><\/p>\nQuestion: 308. Which switch feature copies traffic from selected ports to another port for monitoring or analysis?<\/b><\/p>\n\n- <\/b> Port mirroring<\/span>
\n<\/span>2.<\/b> DHCP relay<\/span>
\n<\/span>3.<\/b> NAT<\/span>
\n<\/span>4.<\/b> VLAN pruning<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 1. Port mirroring<\/span><\/p>\nExplanation:<\/b><\/p>\n
Port mirroring, sometimes called SPAN on certain platforms, copies selected network traffic to a designated monitoring port. A network administrator can connect a packet analyzer or intrusion-detection device to that monitoring port to inspect traffic without placing the analysis device directly in the normal traffic path. DHCP relay forwards DHCP messages between different network segments, NAT translates addresses, and VLAN pruning controls which VLANs are allowed across certain trunk links. Therefore, port mirroring is the feature specifically associated with traffic analysis.<\/span><\/p>\nQuestion: 309. Which IPv6 address represents the loopback address?<\/b><\/p>\n\n- <\/b> FE80::1<\/span>
\n<\/span>2.<\/b> FF02::1<\/span>
\n<\/span>3.<\/b> ::1<\/span>
\n<\/span>4.<\/b> 2001:db8::1<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 3. <\/span>::1<\/span><\/p>\nExplanation:<\/b><\/p>\n
The IPv6 loopback address is <\/span>::1<\/span>. It is equivalent in purpose to the IPv4 loopback address <\/span>127.0.0.1<\/span> and allows a device to send traffic to itself for testing and local communication. <\/span>FE80::\/10<\/span> addresses are IPv6 link-local addresses, while <\/span>FF00::\/8<\/span> addresses are multicast addresses. The <\/span>2001:db8::\/32<\/span> range is reserved for documentation examples. Therefore, <\/span>::1<\/span> is the correct IPv6 loopback address.<\/span><\/p>\nQuestion: 310. Which protocol is commonly used to transfer email between mail servers?<\/b><\/p>\n\n- <\/b> SSH<\/span>
\n<\/span>2.<\/b> SMTP<\/span>
\n<\/span>3.<\/b> SNMP<\/span>
\n<\/span>4.<\/b> NTP<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 2. SMTP<\/span><\/p>\nExplanation:<\/b><\/p>\n
SMTP, or Simple Mail Transfer Protocol, is commonly used for sending email and transferring messages between mail servers. Mail clients may use other protocols, such as IMAP or POP3, for retrieving messages, but SMTP is associated primarily with email transmission. SSH provides secure remote access, SNMP is used for network management and monitoring, and NTP synchronizes system clocks. Therefore, when the requirement is to identify the protocol responsible for transferring email between mail servers, SMTP is the appropriate answer.<\/span><\/p>\nQuestion: 311. Which routing protocol uses the Shortest Path First algorithm?<\/b><\/p>\n\n- <\/b> OSPF<\/span>
\n<\/span>2.<\/b> FTP<\/span>
\n<\/span>3.<\/b> DHCP<\/span>
\n<\/span>4.<\/b> ARP<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 1. OSPF<\/span><\/p>\nExplanation:<\/b><\/p>\n
OSPF, or Open Shortest Path First, is a link-state interior gateway routing protocol that uses the Shortest Path First algorithm to calculate routes. Routers exchange link-state information and build a topology database from which the shortest paths are calculated. This allows OSPF to dynamically adapt when network topology changes. FTP is a file-transfer protocol, DHCP provides host configuration, and ARP resolves IPv4 addresses to MAC addresses. Therefore, OSPF is the protocol associated with the Shortest Path First algorithm.<\/span><\/p>\nQuestion: 312. Which value identifies the network and host portions of an IPv4 address?<\/b><\/p>\n\n- <\/b> Default gateway<\/span>
\n<\/span>2.<\/b> MAC address<\/span>
\n<\/span>3.<\/b> Subnet mask<\/span>
\n<\/span>4.<\/b> DNS server<\/span><\/li>\n<\/ol>\nCorrect Answer:<\/b> 3. Subnet mask<\/span><\/p>\n