McAfee Secure

Exam Code: 156-315.82

Exam Name: Check Point Certified Security Expert - R82 (CCSE)

Certification Provider: Checkpoint

Corresponding Certification: CCSE R82

Questions & Answers

Checkpoint 156-315.82 Questions & Answers

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Checkpoint 156-315.82 Practice Test 15

Question 140

The VPN's first IKE phase succeeds but traffic never establishes the required child security association. What should be investigated?

  1. A management administrator's personal notebook disk encryption settings.
  2. The corporate DNS MX records used for notification delivery.
  3. The company's license purchase order description rather than IPsec logs.
  4. Child or phase-two proposal compatibility and the protected traffic selectors on both peers.

Explanation

Correct Answer

D:

Initial peer authentication does not guarantee successful IPsec SA negotiation for a subnet.

Incorrect Answers

A:

A notebook's local encryption is not the IPsec proposal used by gateways.

B:

Mail routing has no effect on phase-two traffic selectors.

C:

A billing description cannot identify an SA negotiation mismatch.

Question 141

Two partner gateways agree on authentication but not the proposed encryption algorithm. Which remediation is defensible?

  1. Select a mutually supported approved encryption proposal on both VPN peers.
  2. Disable encryption on both gateways to avoid negotiating algorithm differences.
  3. Change only the tunnel's SmartConsole display name until encryption succeeds.
  4. Increase the log server disk size and assume IKE proposals are fixed.

Explanation

Correct Answer

A:

The peers must negotiate compatible cryptographic settings while following policy requirements.

Incorrect Answers

B:

Removing protection contradicts the purpose of the VPN and security policy.

C:

Display names cannot make incompatible algorithms agree cryptographically.

D:

Storage capacity does not alter negotiated encryption transforms.

Question 142

A VPN deployment fails after administrators update integrity settings on one peer only. What should be synchronized?

  1. The same calendar appointment label in both organizations' email systems.
  2. Compatible IKE and IPsec integrity or authentication algorithms according to the approved proposal.
  3. The number of Security Management HA members in the two organizations.
  4. An identical browser homepage for administrators in both networks.

Explanation

Correct Answer

B:

The selected parameters must be accepted by both sides of the negotiation.

Incorrect Answers

A:

Calendar metadata is not a cryptographic protocol exchange parameter.

C:

Management redundancy does not make integrity algorithm mismatches interoperable.

D:

Browser settings do not determine packet-level integrity transform negotiation.

Question 143

A partner's Internet Security Gateway sends traffic to a destination network outside the local VPN domain. What symptom might appear?

  1. Every unrelated internet packet is automatically encrypted because a tunnel is up.
  2. A SmartEvent report automatically rewrites the selectors to include the destination.
  3. The flow is not protected by the expected tunnel or its phase-two selectors do not match.
  4. The management server immediately becomes the traffic router for the partner's LAN.

Explanation

Correct Answer

C:

Encryption domains must include the networks that should be carried through IPsec.

Incorrect Answers

A:

The gateway still applies configured traffic selectors and access policy.

B:

Event reports do not modify VPN domain membership or traffic selection.

D:

Management services do not become a forwarding path for site traffic.

Question 144

A VPN community includes the right peers, but its Access Control rule permits only TCP 443 and the test uses TCP 22. What should be considered?

  1. Encryption automatically allows every TCP port once the IKE handshake completes.
  2. The SSH client's local font choice explains the gateway packet drop.
  3. A management HA role change automatically creates the missing SSH allow rule.
  4. The installed policy must specifically authorize the intended service as well as select VPN encryption.

Explanation

Correct Answer

D:

Community membership does not override service-specific firewall authorization.

Incorrect Answers

A:

Security policy continues controlling traffic over an established VPN.

B:

Display fonts do not determine gateway Access Control service matching.

C:

Management failover does not insert new user traffic permissions.

Question 145

A branch VPN tunnel is established, but the packet arrives with an unexpected translated source network. Which configuration is suspect?

  1. An overly broad NAT rule or missing exemption affecting site-to-site protected traffic.
  2. The report category in SmartEvent is set to a different severity.
  3. The network administrator's login name has a hyphen in it.
  4. The certificate authority's marketing website has moved to a new hostname.

Explanation

Correct Answer

A:

Address translation can change selectors and violate the peer's expected encrypted identity.

Incorrect Answers

B:

Alert severity does not rewrite source IP addresses on live encrypted packets.

C:

Administrator name formatting does not perform source NAT.

D:

Website location does not explain unexpected source translation on the traffic flow.

Question 146

Two gateways use private subnets with overlapping address ranges and must connect with IPsec. What should the engineer evaluate before assuming ordinary selectors will work?

  1. Apply identical zero-length default routes on both gateways and expect no ambiguity.
  2. A supported network translation and routing design that makes overlapping protected addresses unambiguous.
  3. Disable packet logging so VPN domains stop detecting duplicate IP ranges.
  4. Create one extra Security Management HA member to change the partners' subnet identities.

Explanation

Correct Answer

B:

Overlapping VPN domains can cause route ambiguity unless addressing is explicitly resolved.

Incorrect Answers

A:

Conflicting overlaps are not resolved by matching two default route entries.

C:

Log configuration cannot resolve address collisions between partner networks.

D:

Management redundancy does not distinguish identical protected address ranges.

Question 147

A site-to-site tunnel shows healthy IKE, but the local routing table sends branch subnet traffic directly to an unrelated WAN next hop. What must be corrected?

  1. The local SmartConsole window size to show more VPN objects.
  2. The security event reporting server's time zone for every administrator.
  3. The route and traffic-selection path so protected packets reach the intended VPN gateway.
  4. The certificate expiration on a management appliance unrelated to the active tunnel.

Explanation

Correct Answer

C:

Valid cryptographic SAs cannot help traffic that never traverses the encrypting device.

Incorrect Answers

A:

UI layout cannot change the IP route used by the source subnet.

B:

Report presentation time cannot redirect packets to IPsec.

D:

Unrelated management credentials do not repair a wrong forwarding next hop.

Question 148

A tunnel works from the internal datacenter to a branch but fails in the reverse direction. Which comparison is useful?

  1. Assume the forward direction proves all paths must be correctly configured.
  2. Only increase the management server's local backup retention time.
  3. Only change the operator's remote desktop resolution while testing reverse traffic.
  4. Check reverse path routing, peer VPN domains, and both directions' installed access rules.

Explanation

Correct Answer

D:

Encrypted connectivity can be asymmetric when routes or selectors differ by direction.

Incorrect Answers

A:

Return traffic may use distinct policies and routes despite forward success.

B:

Backup policy cannot repair one-way site-to-site data forwarding.

C:

Screen dimensions cannot identify reverse tunnel selection or policy.

Question 149

An IPsec tunnel is up, but application packets are fragmented or dropped on the path. What network issue may need evaluation?

  1. Path MTU and fragmentation handling for encrypted overhead along the VPN route.
  2. The number of SmartEvent event reports scheduled for the gateway.
  3. The Management HA standby object icon used by administrators.
  4. The number of custom user profiles on the management server.

Explanation

Correct Answer

A:

Encapsulation adds bytes and can expose MTU problems on lower-capacity links.

Incorrect Answers

B:

Reporting cadence cannot increase the path MTU available to encrypted packets.

C:

UI icons do not influence IPsec packet size or fragmentation.

D:

Administrator profiles do not determine packet encapsulation overhead.

Question 150

A branch gateway has two ISPs and must continue VPN service if its primary internet circuit fails. Which R82 feature family addresses this?

  1. Increase the number of SmartConsole objects without defining a second WAN path.
  2. Configure supported Link Selection and ISP Redundancy for the site-to-site VPN.
  3. Configure hide NAT to turn one failed physical circuit into a working one.
  4. Change only the remote partner's administrator password during a local ISP outage.

Explanation

Correct Answer

B:

These features help select and fail over the external path used by encrypted connections.

Incorrect Answers

A:

Management inventory growth cannot substitute for ISP path selection.

C:

Translation cannot create connectivity over a down ISP link.

D:

Management credentials do not recover a lost internet circuit.

Check Point Certified Security Expert - R82 (CCSE) (156-315.82) Practice Tests