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2021 Mar JN0-633 latest exam
Q81. Which feature is used for layer 2 bridging on an SRX Series device?
A. route mode
B. packet mode
C. transparent mode
D. MPLS mode
Answer: C
Q82. You have recently deployed a dynamic VPN. Some remote users are complaining that they
cannot authenticate through the SRX device at the corporate network. The SRX device serves as the tunnel endpoint for the dynamic VPN.What are two reasons for this problem? (Choose two.)
A. The supported number of users has been exceeded for the applied license.
B. The users are connecting to the portal using Windows Vista.
C. The SRX device does not have the required user account definitions.
D. The SRX device does not have the required access profile definitions.
Answer: A,D
Explanation:
Reference :https://www.juniper.net/techpubs/en_US/junos12.1/information-products/topic-collections/syslog-messages/index.html?jd0e28566.html http://kb.juniper.net/InfoCenter/index?page=content&id=KB16477
Q83. Click the Exhibit button.
-- Exhibit–
-- Exhibit --
Based on the output shown in the exhibit, what are two results? (Choose two.)
A. The output shows source NAT.
B. The output shows destination NAT.
C. The port information is changed.
D. The port information is unchanged.
Answer: B,D
Explanation: Reference:http://junos.com/techpubs/software/junos-security/junos-security10.2/junos-security-cli-reference/index.html?show-security-flow-session.html
Q84. Click the Exhibit button.
{primarynode0}[edit security idp idp-policy test-ips-policy] user@host# show
rulebase-ips { rule r1 { match {
source-address any; attacks {
predefined-attack-groups “HTTP - All”;
}
}
then { action {
drop-packet;
}
}
terminal;
}
rule r2 { match {
source-address 172.16.0.0/12; attacks {
predefined-attack-groups “FTP - All”;
}
then { action { no-action;
}
}
}
rule r3 { match {
source-address 172.16.0.0/12; attacks {
predefined-attack-groups “TELNET - All”;
}
}
then { action { no-action;
}
}
}
rule r4 { match {
source-address any; attacks {
predefined-attack-groups “FTP - All”;
}
}
then { action {
drop-packet;
}
}
}
}
A user with IP address 172.301.100 initiates an FTP session to a host with IP address 10.100.1.50 through an SRX Series device and is subject to the IPS policy shown in the exhibit.
If the user tries to execute thecd ~rootcommand, which statement is correct?
A. The FTP command will be denied with the offending packet dropped and the session will be closed by the SRX device.
B. The FTP command will be denied with the offending packet dropped and the rest of the FTP session will be inspected by the IPS policy.
C. The FTP command will be allowed to execute and the rest of the FTP session will be ignored by the IPS policy.
D. The FTP command will be allowed to execute but any other attacks executed during the session will be inspected.
Answer: D
Q85. -- Exhibit -- [edit]
user@srx# run show route
inet.0: 10 destinations, 10 routes (10 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
0.0.0.0/0 *[Static/5] 01:09:08
> to 172.18.1.1 via ge-0/0/3.0 10.210.14.128/27 *[Direct/0] 8w6d 15:43:09
> via ge-0/0/0.0
10.210.14.135/32 *[Local/0] 11w0d 06:43:04
Local via ge-0/0/0.0
172.18.1.0/30 *[Direct/0] 8w6d 15:43:01
> via ge-0/0/3.0
172.18.1.2/32 *[Local/0] 11w0d 06:43:03
Local via ge-0/0/3.0 172.19.1.0/24 *[Direct/0] 03:46:56
> via ge-0/0/1.0
172.19.1.1/32 *[Local/0] 03:46:56
Local via ge-0/0/1.0 172.20.105.0/24 *[Direct/0] 03:46:56
> via ge-0/0/4.105
172.20.105.1/32 *[Local/0] 03:46:56
Local via ge-0/0/4.105
192.168.30.1/32 *[Direct/0] 4d 03:44:41
> via lo0.0
fbf.inet.0: 2 destinations, 2 routes (2 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both 0.0.0.0/0 *[Static/5] 00:00:11
> to 172.19.1.2 via ge-0/0/1.0 172.19.1.0/24 *[Direct/0] 00:00:11
> via ge-0/0/1.0
[edit]
user@srx# show routing-instances fbf {
routing-options { static {
route 0.0.0.0/0 next-hop 172.19.1.2;
}
}
}
[edit]
user@srx# show routing-options interface-routes {
rib-group inet fbf-int;
}
static {
route 0.0.0.0/0 next-hop 172.18.1.1;
}
rib-groups { fbf-int {
import-rib [ inet.0 fbf.inet.0 ]; import-policy fbf-pol;
}
}
[edit]
user@srx# show policy-options policy-statement fbf-pol term 1 {
from interface ge-0/0/1.0; to rib fbf.inet.0;
then accept;
}
term 2 {
then reject;
}
-- Exhibit --
Referring to the exhibit, you notice that filter-based forwarding is not working. What is the reason for this behavior?
A. The RIB group is configured incorrectly.
B. The routing policy is configured incorrectly.
C. The routing instance is configured incorrectly.
D. The default static routes are configured incorrectly.
Answer: C
Explanation:
Bydefault, wehave a static route in a routing instancesendingthe default route to 172.19.1.2.Wewant to hijack traffic matching a particular filter and send the traffic to a different next-hop, 172.18.1.1. Weshouldcreate your rib group by importing FIRST the table belonging to your virtual router and SECOND the table for the forwarding instancethat has the next-hop specified.
Reference:http://kb.juniper.net/InfoCenter/index?page=content&id=KB17223
Up to date JN0-633 download:
Q86. Click the Exhibit button.
-- Exhibit -- [edit security]
user@srx# show idp {
idp-policy NewPolicy { rulebase-exempt { rule 1 {
description AllowExternalRule; match {
source-address any; destination-address
}
}
}
}
}
-- Exhibit --
You are performing the initial IDP installation on your new SRX device. You have configured the IDP exempt rulebase as shown in the exhibit, but the commit is not successful.
Referring to the exhibit, what solves the issue?
A. You must configure the destination zone match.
B. You must configure the IPS exempt accept action.
C. You must configure the IPS rulebase.
D. You must configure the IPS engine flow action to ignore.
Answer: C
Explanation: Reference:http://jncie-sec.exactnetworks.net/2013/01/srx-idp-overview-initial-setup.html
Q87. Click the Exhibit button.
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT:<1.1.1.100/51303->1.1.1.30/3389;6>
matched filter MatchTraffic:
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT:packet [48] ipid = 5015, @423d7e9e Feb 2
09:00:02 09:00:00.1872004:CID-0:RT:---- flow_process_pkt: (thd 1): flow_ctxt type 13, common flag Ox0, mbuf Ox423d7d00
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: flow process pak fast ifl 72 In_ifp fe-0/0/7.0
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: fe-0/0/7.0:1.1.1.100/51303- >1.1.1.30/3389,
top, flag 2 syn
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: find flow: table Ox5258d7b0, hash 17008(Oxffff), sa 1.1.1.100, da 1.1.1.30, sp 51303, dp 3389, proto 6, tok
448
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: no session found, start first path. in_tunnel - 0, from_cp_flag - 0
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: flow_first_create_session
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: flow first_in_dst_nat: in <fe-0/0/7.0>, out
<N/A> dst_adr 1.1.1.30, sp 51303, dp 3389
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: chose interface fe-0/0/7.0 as incoming nat if. Feb 2 09:00:02 09:00:00.1872004:CID-0:RT:flow_first_rule_dst_xlate: packet 1.1.1.100-
>1.1.1.30 nsp2 0.0.0.0->192.168.224.30.
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT:flow_first_routing: call flow_route_lookup() src_ip 1.1.1.100, x_dst_ip 192.168.224.30, in ifp fe-0/0/7.0, out ifp N/A sp 51303, dp 3389, ip_proto 6, tos 0
Feb 2 09:00:02 09:00:00.1872004:CID-O:RT:Doing DESTINATION addr route-lookup Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: routed (x_dst_ip 192 168.224.30)
from untrust (fe-0/0/7.0 in 0) to ge-0/0/0.0, Next-hop: 192.168.224.30
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: policy search from zone untrust-> zone trust Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: policy has timeout 900
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: app 0, timeout 1800s, curr ageout 20s
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT:flow_first_src_xlate: src nat 0.0.0.0(51303) to
192.168.224.30(3389) returns status 1, rule/pool id 1/2. Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: dip id = 2/0, 1.1.1.100/51303->192.168.224.3/48810
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: choose interface ge-0/0/0.0 as outgoing phy if Feb 2 09:00:02 09:00:00.1872004:CID-0:RT:is_loop_pak: No loop: on ifp: ge-0/0/0.0, addr:
192.168.224.30, rtt_idx:0
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT:sm_flow_interest_check: app_id 0, policy 9, app_svc_en 0, flags Ox2. not interested
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT:sm_flow_interest_check: app_id 1, policy 9, app_svc_en 0, flags Ox2. not interested
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT:flow_first_service_lookup():
natp(Ox51ee4680): app_id, 0(0).
Feb 2 09:00:02 09:00:00.1872004:CID-0:RT: service lookup identified service O. Referring to the exhibit, which two statements are correct? (Choose two.)
A. The packet being inspected is a UDP packet.
B. The incoming interface is fe-0/0/7.
C. This traffic matches an existing flow.
D. Source NAT is being used.
Answer: B,C
Q88. Click the Exhibit button.
-- Exhibit–
-- Exhibit --
An attacker is using a nonstandard port for HTTP for reconnaissance into your network. Referring to the exhibit, which two statements are true? (Choose two.)
A. The IPS engine will not detect the application due to the nonstandard port.
B. The IPS engine will detect the application regardless of the nonstandard port.
C. The IPS engine will perform application identification until the session is established.
D. The IPS engine will perform application identification until it processes the first 256 bytes of the packet.
Answer: B,D
Explanation: Reference:https://www.juniper.net/techpubs/en_US/idp/topics/example/simple/intrusion-detection-prevention-idp-rulebase-default-service-usage.html
Q89. Click the Exhibit button.
user@host# run show security flow session
Session ID: 28, Policy name: allow/5, Timeout: 2, Valid
In: 172.168.1.2/24800 --> 66.168.100.100/8001; tcp, If: ge-0/0/3.0, Pkts: 1, Bytes: 64 Out: 10.168.100.1/8001 --> 172.168.1.2/24800; tcp, If: ge-0/0/6.0, Pkts: 1, Bytes: 40
Your customer is unable to reach your HTTP server that is connected to the ge-0/0/6 interface. The HTTP server has an address of 10.168.100.1 on port 80 internally, but is accessed publicly using interface ge-0/0/3 with the address 66.168.100.100 on port 8001.
Referring to the exhibit, what is causing this problem?
A. The traffic is originated with incorrect IP address from the customer.
B. The traffic is translated with the incorrect IP address for the HTTP server.
C. The traffic is translated with the incorrect port number for the HTTP server.
D. The traffic is originated with the incorrect port number from the customer.
Answer: C
Q90. What are two configurable routing instance types? (Choose two.)
A. IPsec
B. VPLS
C. GRE
D. VRF
Answer: B,D