The answer is Not exactly.
Code of Civil Procedure § 128.7 applies to papers presented to a Court and not necessarily to discovery requests.
128.7. (a) Every pleading, petition, written notice of motion, or
other similar paper shall be signed by at least one attorney of
record in the attorney's individual name, or, if the party is not
represented by an attorney, shall be signed by the party. Each paper
shall state the signer's address and telephone number, if any. Except
when otherwise provided by law, pleadings need not be verified or
accompanied by affidavit. An unsigned paper shall be stricken unless
omission of the signature is corrected promptly after being called to
the attention of the attorney or party.
(b) By presenting to the court, whether by signing, filing,
submitting, or later advocating, a pleading, petition, written notice
of motion, or other similar paper, an attorney or unrepresented
party is certifying that to the best of the person's knowledge,
information, and belief, formed after an inquiry reasonable under the
circumstances, all of the following conditions are met:
(1) It is not being presented primarily for an improper purpose,
such as to harass or to cause unnecessary delay or needless increase
in the cost of litigation.
(2) The claims, defenses, and other legal contentions therein are
warranted by existing law or by a nonfrivolous argument for the
extension, modification, or reversal of existing law or the
establishment of new law.
(3) The allegations and other factual contentions have evidentiary
support or, if specifically so identified, are likely to have
evidentiary support after a reasonable opportunity for further
investigation or discovery.
(4) The denials of factual contentions are warranted on the
evidence or, if specifically so identified, are reasonably based on a
lack of information or belief.
If you have received an objectionable discovery request, you can object or seek a protective order.
The Discovery Act includes:
CCP § 2016.040. A meet and confer declaration in support of a motion
shall state facts showing a reasonable and good faith attempt at an
informal resolution of each issue presented by the motion.
2017.010. Unless otherwise limited by order of the court in
accordance with this title, any party may obtain discovery regarding
any matter, not privileged, that is relevant to the subject matter
involved in the pending action or to the determination of any motion
made in that action, if the matter either is itself admissible in
evidence or appears reasonably calculated to lead to the discovery of
admissible evidence. Discovery may relate to the claim or defense of
the party seeking discovery or of any other party to the action.
Discovery may be obtained of the identity and location of persons
having knowledge of any discoverable matter, as well as of the
existence, description, nature, custody, condition, and location of
any document, tangible thing, or land or other property.
2017.020. (a) The court shall limit the scope of discovery if it
determines that the burden, expense, or intrusiveness of that
discovery clearly outweighs the likelihood that the information
sought will lead to the discovery of admissible evidence. The court
may make this determination pursuant to a motion for protective order
by a party or other affected person. This motion shall be
accompanied by a meet and confer declaration under Section 2016.040.
(b) The court shall impose a monetary sanction under Chapter 7
(commencing with Section 2023.010) against any party, person, or
attorney who unsuccessfully makes or opposes a motion for a
protective order, unless it finds that the one subject to the
sanction acted with substantial justification or that other
circumstances make the imposition of the sanction unjust.
2023.010. Misuses of the discovery process include, but are not
limited to, the following:
(a) Persisting, over objection and without substantial
justification, in an attempt to obtain information or materials that
are outside the scope of permissible discovery.
(b) Using a discovery method in a manner that does not comply with
its specified procedures.
(c) Employing a discovery method in a manner or to an extent that
causes unwarranted annoyance, embarrassment, or oppression, or undue
burden and expense.
(d) Failing to respond or to submit to an authorized method of
(e) Making, without substantial justification, an unmeritorious
objection to discovery.
(f) Making an evasive response to discovery.
(g) Disobeying a court order to provide discovery.
(h) Making or opposing, unsuccessfully and without substantial
justification, a motion to compel or to limit discovery.
(i) Failing to confer in person, by telephone, or by letter with
an opposing party or attorney in a reasonable and good faith attempt
to resolve informally any dispute concerning discovery, if the
section governing a particular discovery motion requires the filing
of a declaration stating facts showing that an attempt at informal
resolution has been made.
All linked fromhttp://leginfo.ca.gov/cgi-bin/calawquery?codesection=ccp&codebody=&hits=20
I hope this information is helpful.